Calculate Gross profit from the following: RO. Sales Discount 2750 Gross Sales 178000 Sales Returns and Allowances 900 Freight In 1150 Salary Expense 9200 Purchase Discount 1800 Purchases 72000 Rent Expense 8400 Purchase Returns and Allowances 1950 22400 Opening Inventory Closing Inventory 16800 Select one: RO 9.350 0 b. RO 52600 C.RO 75000 d. RO 57400