Flexible Fit LLC has two products, Big & Small. The company uses Activity Based Costing to determine the cost of its products. The budgeted cost and activity for each of Flexible Fit's three activity costs pools are: Activity Cost Pool Budgeted Cost Big Small Total Activity 1 $19,800 800 300 1,100 Activity 2 16,000 2,200 1,800 4,000 Activity 3 14,000 300 700 The activity rate under the Activity-Based Costing method for Activity 3 is: [use a dollar sign and decimal point in providing your answer] 400 a. $8.59 b. $18.00 C. $20.00 d. $4.00