Which of the following are threats to the control environment?

JC is a car manufacturing company in country C and manufactures diesel cars It is facing a number of serious risks Which TWO of the following risk factors are external?

W is a construction company which undertakes large projects for governments and other clients worldwide.
Following extensive tendering processes, contracts are issued for successful tenders, and projects typically take three to five years to complete. Contracts are normally fixed-price and many have considerable penalty clauses.
Which of the following would be appropriate policies and controls for W to implement?

RFG is considering a major expansion that will result in a more diversified business model.
At present, RFG's market capitalisation is $240 million. This is based on a beta of 1.6. The risk free rate is 4% and the market rate of return is 9%. RFG is financed entirely by equity. The company generates an annual cash surplus of $28.8 million.
The expansion will cost $50 million and will generate future cash flows of $12 million in perpetuity. This new business will reduce RFG's beta to 1.4.
Calculate the adjusted present value of the expansion.

Which THREE of the following are true with regard to managing the changeover from an old to a new computer system?