Watercraft$$s predetermined overhead rate is $200\%$ of direct labor. Information on the company$$s production activities during May follows.

Purchased raw materials on credit, $$220,000.$

Materials requisitions record use of the following materials for the month.

Job $136$$ $49,500$Job $13732,500$Job $13820,000$Job $13922,800$Job $1407,000$Total direct materials$131,800$Indirect materials$20,500$Total materials requisitions$ $152,300$

Time tickets record use of the following labor for the month. These wages were paid in cash.

Job $136$$ $12,300$Job $13710,500$Job $13838,100$Job $13939,200$Job $1403,800$Total direct labor$103,900$Indirect labor$25,500$Total labor cost$ $129,400$

Applied overhead to Jobs $136,138,$ and $139.$

Transferred Jobs $136,138,$ and $139$ to Finished Goods Inventory.

Sold Jobs $136$ and $138$ on credit at a total price of $$535,000.$

Recorded the cost of goods sold for Jobs $136$ and $138.$

Incurred the following actual other overhead costs during the month.

Depreciation of factory building$ $69,000$Depreciation of factory equipment$37,500$Expired factory insurance$11,000$Accrued property taxes payable$37,000$

Applied overhead at month$-$end to the Work in Process Inventory account $($for Job $137$ and $140)$ using the predetermined overhead rate of $200\%$ of direct labor cost.

$3.$ Post the journal entries for the transactions to the following T$-$accounts, each of which started the month with a zero balance.

$4.$

$($a$)$ Compute the total cost of each job in process and prove that the sum of their costs equals the Work in Process Inventory account balance.

$($b$)$ Compute the total cost of each job finished but not sold, and prove that the sum of their costs equals the Finished Goods Inventory balance.

$($c$)$ Compute the total cost of each job sold, and prove that the sum of their costs equals the Cost of Goods Sold balance.