Have been sick all week, can't figure this one out, thanks

Sylvan Company uses activity-based costing to determine product costs for external nancial reports. Some of the entries have been completed to the manufacturing overhead account for the current year, as shown by entry (a) below: Manufacturing Overhead (a) 2,310,000 I Required: 1. What does entry (a) represent? Overhead applied Actual manufacturing overhead cost incurred Machine-hours 2. At the beginning of the year, the company made the following estimates of cost and activity for its five activity cost pools: Estimated Expected Activity Cost Pool Activity Measure Overhead Cost Activity Labour related Direct labour-hours $555,000 37,000 DLHs Purchase orders Number of orders 44,700 1,490 orders Parts management Number of part types 360,000 399 part types Board etching Number of boards 450,000 2,000 boards General factory Machine-hours 628,050 79,500 MHs Compute the activity rate (i.e., predetermined overhead rate) for each of the activity cost pools. (Round your final answers to 1 decimal place.) Labour related per direct labour-hours Purchase orders per order Parts management per part type Board etching per boa rd General factory per machine-hours 3. During the year, actual activity was recorded as follows: Activity 6031 Pool Actual Aclhrity Labour related 39,900 DLHs Purchase orders 1,300 orders Parts management 420 part types Board etching 2,120 boards General factory 83,000 MHs Determine the amount of manufacturing overhead cost applied to production for the year. (Round intermediate calculations to 1 decimal place and final answers to the nearest whole dollar amount.) Labour related _ _ Parts management - Board etching _ General factory _ 4. Determine the amount of underapplied or overapplied overhead cost for the year. (Round intermediate calculations to 1 decimal place and nal answers to the nearest whole dollar amount.) ::I