Nord Stores perpetual accounting system indicated ending inventory of $20,400, cost of goods sold of $102,000, and net sales of $154,000. A year-end inventory count determined goods costing $15,200 were actually on hand.

a. Calculate the cost of shrinkage.

b. Calculate an adjusted cost of goods sold (assuming shrinkage is charged to cost of goods sold).

c. Calculate gross profit percentage before shrinkage.

d. Calculate gross profit percentage after shrinkage.