Sylvan Company uses activity-based costing to determine product costs for external financial reports. Some of the entries have been completed to the manufacturing overhead account for the current year, as shown by entry (a) below: Required: 1. What does entry (a) represent? Machine-hours Actual manufacturing overhead cost incurred Overhead applied 2. At the beginning of the year, the company made the following estimates of cost and activity for its five activity cost pools: 2. At the beginning of the year, the company made the following estimates of cost and activity for its five activity cost pools: Compute the activity rate (l.e., predetermined overhead rate) for each of the activity cost pools. (Round your final answers to 1 decimal place.) 3. During the year, actual activity was recorded as follows: Determine the amount of mardafacturing overhead cost applied to production for the year. (Round intermediate calculations to 1 decimal place and final answers to the nearest whole dollar amount.) 4. Determine the amount of underapplled or overapplied overhead cost for the year. (Round intermediate calculations to 1 decimal place and final answers to the nearest whole dollar amount.)