Problem $1$

$\backslash$table$[[,$Units,Unit Cost,Total Cost$],[1/1,$Beginning Inventory,$100,$$$4,$$ $400],[1/20,$Purchase,$500,$$$5,2,500],[2/1,$Purchase,$300,$$ $7,2,100],[3/15,$Purchase,$200,$$$9,1,800]]$

A physical count of inventory on March $31$ revealed that there were $450$ units on hand. Use the data above to answer the following independent questions. YOU MUST SHOW YOUR WORK, WHERE APPLICABLE, TO RECEIVE CREDIT.

Assume the company uses the FIFO method. The COST of GOODS SOLD at December $31$ is $ $q,$

Assume the company uses the FIFO method. The value of December $31$ Ending Inventory is $

Assume that the company uses the LIFO method. The value of the ENDING INVENTORY on December $31$ is