Windsor Company uses activity-based costing to determine product costs. 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 Compute the activity rate (i.e., predetermined overhead rate) for each of the activity cost pools. (Note: Round your final answers to 1 decimal place). 3. During the year, actual activity was recorded as follows: Determine the amount of manufacturing overhead cost applied to production for the year. (Note: Round intermediate calculations to 1 decimal place and final answers to the nearest whole dollar amount). 4. Determine the amount of underapplied or overapplied overhead cost for the year. (Note: Round intermediate calculations to 1 decimal place and final answers to the nearest whole dollar amount)