Please help me with this question

BE12.6 The following data are taken from the financial statements of Bristol Ltd Accounts receivable (net), end of year Net sales on account Terms for asale are 1/10, n/45 2017 $ 672 o00 6 600 000 2016 $564 000 4 920 o00o Calculate for each year (a) the recelvables turnover and (b) the average collection perlod. What conclusions about the management of accounts recelvable can be drawn from these data? At the end of 2015 accounts recelvable (net) was $588 ooo