ABC Company has two products: A and B. The company uses activity-based costing. The estimated total cost and expected activity for each of the company's three activity cost pools are as follows:
                                                                   Expected activity cost
Activity        Estimated cost        Product A        Product B        Total
Activity1            $22,000                   400                  100               500
Activity2            $16,240                   380                  200               580
Activity3            $14,600                   500                  250               750
The activity rate under the activity-based costing system for Activity 3 is closest to:
a. $70.45.
b. $28.87.
c. $19.47.
d. $58.40.