Marco Company shows the following costs for three jobs worked on in April.

Job $306$ Job $307$ Job $308$

Balances on March $31$

Direct materials used $($in March$)$ $ $31,400$ $ $37,400$

Direct labor used $($in March$)22,40020,400$

Overhead applied $($March$)12,40011,400$

Costs during April

Direct materials used $141,000226,000$ $ $106,000$

Direct labor used $87,400156,000111,000$

Overhead applied $?$question mark $?$question mark $?$question mark

Status on April $30$ Finished $($sold$)$ Finished $($unsold$)$ In process

Additional Information

Raw Materials Inventory has a March $31$ balance of $$82,400.$

Raw materials purchases in April are $$506,000,$ and total factory payroll cost in April is $$369,000.$

Actual overhead costs incurred in April are indirect materials, $$51,500$; indirect labor, $$24,500$; factory rent, $$33,500$; factory utilities, $$20,500$; and factory equipment depreciation, $$52,500.$

Predetermined overhead rate is $50\%$ of direct labor cost.

Job $306$ is sold for $$641,000$ cash in April.

$5-$a$.$ Compute gross profit for April.

$5-$b$.$ Show how the three inventory accounts are reported on the April $30$ balance sheet.