a. On Odober 1, the Business Students' Sodety (BSS) placed an order for 170 golf shirts at a unit cost of $30, under terms 2/10,n/30. b. The order was receved on Odober 10, but some golf shirts differed from what had been ordered. Uncertaln whether the shirts would be returned or kept, BSS dedded to record any purchase discount only when taken (using the gross methodi. c On Odober 11, 30 golf shirts were returned to the supplier. d. On Odtober 12 BSS complained the remaining golf shirts were sllghtly defectwe so the suppller granted a $200 allowance. e. BSS pald for the golf shirts on Odober 13 . f. During the first week of Odober, BSS receved student and faculty orders for 140 golf shirts, at a unit price of $67, on terms 2/10,/30. g. The golf shirts were delvered to these customers on Odober 18. Unfortunately, dustomers were unhappy with the golf shirts, so BSS permitted them to be returned or given an allowance (see h and }. Uncertain whether customers would keep or return the shirts, BSS dedded to record any sales dlscount only when taken (using the gross methodi. h. On Odober 19, onehaff of the golf shirts were returned by ustomers to BSS. i. On October 20 , an allowance was given on account equal to $19.00 per shirt for the remaining 70 shirts. f. The customers pald their remaining balances on the last day of the month, Odober 31 . No further returns are expected. equlred: For each of the events (a) through (. Indicate the amount and directlon of the effect (+ for increase, - for decrease). (Enter any decreases to account balances with a minus slgn.')