Sheffield Inc. is a retailer operating in British Columbia. Sheffield uses the perpetual inventory system. All sales returns from customers result in the goods being returned to inventory; the inventory is not damaged. Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Sheffield Inc. for the month of January $2022.$

Date

Description

Quantity

Unit Cost or Selling Price

January

$1$

Beginning inventory

$100$ $$22$

January

$5$

Purchase

$14225$

January

$8$

Sale

$11034$

January

$10$

Sale return

$1034$

January

$15$

Purchase

$5527$

January

$16$

Purchase return

$527$

January

$20$

Sale

$9239$

January

$25$

Purchase

$2729$

$($a$1)$

Calculate the Moving$-$average cost per unit at January $1,5,8,10,15,16,20,$ & $25.($Round moving$-$average cost per unit answers to $3$ decimal places, e$.$g$.)$

$($a$2)$ for each of the following cost flow assumptions, calculate cost of goods sold, ending inventory, and gross profit. $1)$ LIFO $2)$ FIFO $3)$ moving$-$average cost $($Round average$-$cost per unit to $3$ decimal places eg $12\mathrm{.}502$ and final answer to $0$ decimal places eg $1,250.)($Only answers