Reference: IIA Business Knowledge for Internal Auditing, Financial Accounting and Reporting section.

Manufacturing costs are classified into three main categories: direct materials, direct labor, and manufacturing overhead. These categories help organizations determine product costs, pricing strategies, and financial reporting.
Why Option B (Overhead costs, direct labor, direct materials) is Correct:
Direct materials: Raw materials used directly in production (e.g., wood for furniture).
Direct labor: Labor costs directly tied to production (e.g., factory workers assembling a product).
Manufacturing overhead: Indirect costs related to production (e.g., depreciation, factory utilities, maintenance).
These categories align with GAAP, IFRS, and cost accounting standards.
Why Other Options Are Incorrect:
Option A (Direct materials, indirect materials, raw materials):
"Indirect materials" and "raw materials" are part of manufacturing overhead and direct materials, respectively, but do not form a primary cost classification.
Option C (Direct materials, direct labor, depreciation on factory buildings):
Depreciation on factory buildings is an overhead cost, not a separate category.
Option D (Raw materials, factory employees' wages, production selling expenses):
Selling expenses are not part of manufacturing costs; they are part of operating expenses.
IIA Practice Guide - Auditing Cost Management: Defines manufacturing cost classifications.
IFRS & GAAP Cost Accounting Standards: Outline manufacturing cost components.
COSO Framework - Cost Control Guidelines: Emphasizes accurate cost allocation in financial reporting.
IIA References:

A systems development methodology refers to a structured approach used in software development and systems engineering to guide the design, development, and implementation of software applications.
* Why Option A (Waterfall) is Correct:
* Waterfall methodology is a linear and sequential systems development methodology where each phase (e.g., requirements, design, implementation, testing, deployment) must be completed before moving to the next.
* It is widely established and historically one of the first software development methodologies.
* Used in large-scale enterprise projects where detailed planning and structured execution are required.
* Why Other Options Are Incorrect:
* Option B (PRINCE2 - Projects in Controlled Environments):
* Incorrect because PRINCE2 is a project management framework, not a systems development methodology.
* Option C (ITIL - Information Technology Infrastructure Library):
* Incorrect because ITIL is a set of IT service management (ITSM) best practices, not a software development methodology.
* Option D (COBIT - Control Objectives for Information and Related Technologies):
* Incorrect because COBIT is a governance framework for IT management and controls, not a development methodology.
* IIA GTAG - "Auditing IT Projects and Systems Development": Highlights Waterfall as a traditional systems development methodology.
* IIA's Global Technology Audit Guide on IT Risks: Discusses software development lifecycle risks, including Waterfall methodology.
* COBIT Framework - BAI03 (Manage Solutions Identification and Build): References structured methodologies like Waterfall in IT governance.
IIA References:

Recording Initial Investment in a Partnership:
When forming a partnership, each partner contributes assets, cash, or services to the business.
The initial investment should be recorded at the value agreed upon by the partners, which may differ from fair market value or book value.
This is because partnerships are formed based on mutual agreement, and partners decide how to allocate capital and contributions.
Why Other Options Are Incorrect:
B). At book value:
Book value refers to the value recorded in a partner's individual financial statements. However, in a new partnership, the previous book value is not relevant.
C). At fair value:
While fair value is commonly used in financial reporting, in partnerships, the agreed-upon value is more relevant as partners may negotiate different terms.
D). At the original cost:
The original cost of assets contributed may not reflect their current market or partnership-agreed value, making it an inappropriate basis for initial recording.
IIA's Perspective on Financial Recording:
IIA Standard 1220 - Due Professional Care requires auditors to ensure that financial transactions are recorded in accordance with agreed terms.
COSO Internal Control - Integrated Framework supports the principle that partnership agreements should dictate valuation methods.
GAAP & IFRS Accounting Guidelines recognize that partnership accounting is based on agreed-upon contributions rather than standardized valuation methods.
IIA References:
IIA Standard 1220 - Due Professional Care
COSO Internal Control - Integrated Framework
GAAP & IFRS Partnership Accounting Standards

In advisory engagements, internal audit may provide consulting support that enhances processes while maintaining objectivity. In this case, the most appropriate value-adding activity is to facilitate development of a checklist for documenting asset transfers. This addresses the identified gap directly and supports management in strengthening controls.
Option A identifies risks but does not resolve the gap. Option C (root cause analysis) is not as practical in this advisory setting. Option D (resource allocation) is a management responsibility, not internal audit's role.
Reference:
IIA Implementation Guidance - Advisory Services; Standard 2120: Risk Management.