Answer and Explanation:
As per the data given in the question,
a)
Music World Retail
Partial Income Statement
For year ended Dec-31,2017
Cost of goods sold :
Beginning merchandise inventory $200,000
Add: Cost of purchase $300,000
Goods available for sale $500,000
Less: Ending merchandise inventory $175,000
Cost of goods sold $325,000
b)
Wave Board Manufacturing
Partial Income Statement
For year ended Dec-31,2017
Cost of goods sold :
Beginning finished goods inventory $500,000
Add: Cost of goods manufacture $875,000
Goods available for sale $1,375,000
Less: Ending finished inventory $$225,000
Cost of goods sold $1,150,000
We simply applied the above format