Tariffs lead to higher prices on imported products. Similarly, the imposition of quotas leads to higher prices through an artificial limitation on supply.

Program change control includes 1) maintaining records of change authorizations, code changes, and test results, 2) adhering to a systems development methodology including documentation); 3) authorizing changeovers of subsidiary and headquarters' interfaces; and 4) restricting access to authorized source and executable codes.

The total contribution margin equals sales minus variable costs, or US $4,950,000 $9,000,000 $1,800,000 - $720,000 - $1,080,000 - $450,000). Data regarding Year 1 operations for an enterprise that had no beginning or ending inventories are as follows:

The enterprise estimates that next year direct materials costs will increase by 101 and direct labor costs will increase by US $0.60 per unit to US $5.40 per unit. In addition, fixed selling expenses will increase by US $29,520. All other costs will be incurred at the same rates or amounts as the current year.