For the fiscal year, sales were $5,280,000, sales discounts were $100,000, sales returns and allowances were $75,000,

Question:

For the fiscal year, sales were $5,280,000, sales discounts were $100,000, sales returns and allowances were $75,000, and the cost of merchandise sold was $3,000,000.
a. What was the amount of net sales?
b. What was the amount of gross profit? Discuss.