The following T-accounts for the Fitzpatrick Company represent April activity. Required: Compute the missing amounts indicated by the letters (a) through (i). Materials Inventory Debit Credit Beginning Balance (4/1) 14,100 (a) 2,900 (b) Ending Balance (4/30) 15,500 Work-in-Process Inventory Debit Credit Beginning Balance (4/1) 18,200 159,100 (e) 106,800 84,300 Ending Balance (4/30) 18,500 Finished Goods Inventory Debit Credit Beginning