4. (23 points) Austin Company manufactures two products (M and N). The overhead costs ($96,500) have been divided into four cost pools that use the following activity drivers: Number of Number of Product Orders Setups Number of Labor Transactions Labor Hours M N 20 60 60 20 50 2,000 80 75 500 $25,000 $10,000 Cost per pool $24,000 $37,500 Additionally, Austin incurred the following amounts of direct materials and direct labor on products M and N: Direct materials Direct labor Total Required: M N Total $60,000 $30,000 $90,000 45,000 30,000 75,000 $105,000 $60,000 $165.000 a. Compute the plant-wide overhead rate assuming that labor hours is the activity base. 165000 b. What are the total overhead costs assigned individually to products M and N using the plant- wide rate determined in part (a). 105000 60000 c. Compute the overhead allocation rates for each of the activity drivers listed above. d. What are the total overhead costs assigned individually to products M and N using activity- based costing? e. What are the total costs assigned to product N using activity-based costing?