Required:

Determine the following :a$.$ Calculation of estimated total labor that was expected for $20$XX$.($expected persons times hours times rate$)$b$.$ Predetermined overhead rate for year $20$XX$.$c$.$ Overhead cost applied to each of the six jobs during year $20$XX$.$d$.$ Over or underapplied at year$-$end $20$XX$.$Assuming that any over$-$ or underapplied overhead is not material, prepare the adjusting entry allocate anyover$-$ or underapplied overhead to Cost of Goods Sold at the end of year $20$XX$.$Hint: COGS has a $$18,420$ credit balance at year end.

Bigsby Company's manager estimated 20XX's total direct labor cost assuming 100 persons working an average of 2,000 hours each at an average wage rate of $18 per hour. The manager also estimated the following manufacturing overhead costs for year 20XX. Indirect labor Factory supervision $ 319,200 240,000 Rent on factory building 140,000 Factory utilities 100,000 Factory insurance expired 68,000 Depreciation--Factory equipment 480,000 Repairs expense--Factory equipment 60,000 Factory supplies used 68,800 Miscellaneous production costs 36,000 Total estimated overhead costs $ 1,512,000