Two economies are identical except that the level of capital per worker is higher in highland than in lowland. the production functions in both economies exhibit diminishing marginal product of capital. an extra unit of capital per worker increases output per worker: select one: a. by the same amount in highland and lowland. b. more in highland. c. more in lowland. d. in highland, but not in lowland.

Turrubiates corporation makes a product that uses a material with the following standards standard quantity 8.0 liters per unit standard price $2.50 per liter standard cost $20.00 per unit the company budgeted for production of 3,800 units in april, but actual production was 3,900 units. the company used 32,000 liters of direct material to produce this output. the company purchased 20,100 liters of the direct material at $2.6 per liter. the direct materials purchases variance is computed when the materials are purchased. the materials quantity variance for april is: