Please give me the equations along with the answers. thank you

10 Vikings Inc. manufactures two products: Modems and External hard drives. During March, 11 10,000 Modems and 15,000 Extemal Hard Drives were produced, and overhead costs is estimated at $1,300,000. An analysis of estimated overhead costs reveals the following activities. Total Cost Activities 1. Materials handling 2. Design Cost Drivers Number of requisitions Engineers Salaries 300,000 3. Setup Number of batches 250,000 1,300,000 $ 20 The cost driver volume for each product was as follows. Cost Drivers Number of requisitions Engineers Salaries Number of batches Modems 7,500 3,500 3,000 External Hard Drives 5,000 4,500 2,000 Total 12,500 8,000 5,000 27 Instructions: 28 (a) Determine the overhead rate for each activity. 29 (6) Assign the manufacturing overhead costs for September to the two products using activity-based costing. The overhead rates are: Estimated Overhead Expected Use of Cost Driver Activity Activity-Based OH Rates Activity Cost Pools NO OD NOWN Materials handling Design Setup The assignment of overhead costs to products is as follows: Modems Cost Driver Number Cost Requisitions Hard Drives Number Cost Cost Assigned Engineers Batches NON Total costs assigned Units produced OH cost per unit