I need help with 2.3 and 2.4 please

2.3 2.4 Cost of goods sold Sales value of the goods sold Use the information provided below to determine the cost (as a percentage, expressed to two decimal places) to Banda Stores of not accepting the discount. 570 000 Use the information given below to calculate the annual Economic Order Quantity. 435 000 675 000 (4 marks) Fego Manufacturers granted credit terms of 60 days to Banda Stores but the manufacturer is prepared to allow a rebate of 2% % if Banda Stores pays the account within 12 days. (4 marks) f 6 / 14 INFORMATION -21446.pdf Sales per month The following details have been supplied by Nola Limited for one of its products: 100% Carrying costs as a percentage of the unit purchase price Purchase price per unit Cost of placing an order 7 500 units 20% R100 R10