Required: Supply the $8$ missing pieces of information $(1$a$-1$h$)$ in the following cases denoted by a question mark $(?).$ Each of the three cases is independent of the others. Assume there is no work in process inventory. Please fill in your answers to $1$a$-1$h in the appropriate spaces.

Cost Case $1$ Case $2$ Case $3$

Direct Materials $$4,500$ $$9,000$ $$5,000$

Direct Labor $?(1$a$)$ $$3,000$ $$7,000$

Manufacturing Overhead $$3,000$ Rate $=2/3$ DM$ $?(1$f$)$

Cost of Goods Manufactured $$18,000?(1$c$)$ $$20,000$

Sales $$30,000$ $$19,000?(1$g$)$

Beginning Finished Goods Inventory $$7,000$ $$2,500$ $$36,000$

Ending Finished Goods Inventory $?(1$b$)$ $$1,500$ $$5,000$

Cost of Goods Sold $$16,000?(1$d$)?(1$h$)$

Gross Margin $$14,000?(1$e$)16,500$

$1($a$)$ Direct Labor $($Case $1)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$1($b$)$ Ending Finished Goods Inventory $($Case $1)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$1($c$)$ Cost of Goods Manufactured $($Case $2)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$1($d$)$ Costs of Goods Sold $($Case $2)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$1($e$)$ Gross Margin $($Case $2)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$1($f$)$ Manufacturing Overhead $($Case $3)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$1($g$)$ Sales $($Case $3)$: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$