Please, this is a final work! I need this to graduate

Prestopino Corp. produces 1,500 batteries for cars daily, with wage and raw material costs, of $ 6 per unit The signing will take 22 days to convert the raw material into batteries. It allows customers to pay for the batteries within 40 days and the firm generally pays its suppliers within 30 days. what is the cash conversion cycle? how much is the amount of working capital that needs to be financed, if kept producing 1,500 batteries? if the firm reduced to 35 days, your pay period, how much the financing needs of working capital will be reduced? Soco Corp. has an inventory conversion period of 75 days, an average collection period of 38 days and a period of payment of 30 days. what is the cash conversion cycle? if the annual sales of the company are 3,421,875 how much is the accounts receivable? how often inventories rotate