Other things held constant, which of the following would tend to reduce the length of the cash conversion cycle? Select one O a. Maintain a constant level of accounts receivables even as sales fall O b. Change the credit sales policy from cash only to offering 60 days credit O c. Switch from paying vendor invoices is 10 days to obtain the early payment discount, to paying in 60 days to take full advantage of the credit terms offered O d. Switch from paying vendor invoices is 60 days to paying in 10 days to obtain the early payment discount. O e. But larger quantities of raw materials and hold them in inventory in order to take advantage of quantity discounts