=+3-30 KK Learning curve, incremental unit-time learning model OBJECTIVE 6 Assume the same information for Global Defence as in Exercise 3-29, except that Global Defence uses an 85% incremental unit-time learning model as a basis for predicting direct manufacturing labour-hours. (An 85% learning curve means b = –0.234465.)

Required 1 Calculate the total variable costs of producing 2, 3 and 4 units.