Ul. 17 purchased 59 watches for $8,850 ($150 per watch) on account. jul. 31 sold 46 watches for $25,760 cash. aug. 12 purchased 46 watches for $7,360 ($160 per watch) cash. aug. 22 sold 36 watches for $20,160 on account. sep. 19 paid for watches purchased on july 17. sep. 27 receive cash of $12,096 for watches sold on account on august 22. oct. 27 purchased 95 watches for $16,150 ($170 per watch) cash. nov. 20 sold 96 watches for $53,760 cash. dec. 4 purchased 106 watches for $19,080 ($180 per watch) on account. dec. 8 sold 46 watches for $25,760 on account.