Please provide the answer to this general accounting question with proper steps.

Harper Retail Co. provides the following financial information. Calculate the gross profit. e Sales revenue: $600,000 e Inventory (beginning): $25,000 e Inventory (ending): $20,000 e Sales returns: $5,000 e Cost of goods sold: $370,000 e Salaries expense: $120,000 e Rent expense: $15,000 e Interest income: $12,000 e Utilities expense: $4,500 e Interest expense: $2,000 e Income tax expense: $18,000