Suppose an economist collects the following data between May and December of a given year: gasoline prices rose sharply, consumer incomes remained constant, consumers purchases of fuel efficient vehicles remained constant from the previous year, the size of the population did not change, sales of gasoline decreased by 15 percent. Which of the following theories could be tested with this information? a. No economic theory could be tested with this information.
b. When the population increases, purchases of fuel efficient vehicles increase.
c. When the price of gasoline rises, gasoline purchases fall.
d. When consumer incomes rise, gasoline purchases rise.

Nichols inc. manufactures remote controls. currently the company uses a plantminuswide rate for allocating manufacturing overhead. the plant manager is considering switchingminusover to abc costing system and has asked the accounting department to identify the primary production activities and their cost drivers which are as follows: activities cost driver allocation rate material handling number of parts $5 per part assembly labor hours $20 per hour inspection time at inspection station $10 per minute the current traditional cost method allocates overhead based on direct manufacturing labor hours using a rate of $20 per labor hour. what are the indirect manufacturing costs per remote control assuming an method is used and a batch of 10 remote controls are produced? the batch requires 100 parts, 5 direct manufacturing labor hours, and 3 minutes of inspection time.