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Required information [The following information applies to the questions displayed below.] a. On October t, the Business Students' Society (BSS) placed an order for 250 golf shirts at a unit cost of $20, under terms 2/10,n/30. b. The order was received on October 10, but some goif shirts differed from what had been ordered. Uncertain whether the shirts would be returned or kept, BSS decided to record any purchase discount only when taken (using the gross method). c. On October 11,20 golf shirts were returned to the supplier: d. On October 12, BSS complained the remaining golf shirts were slightly defective so the supplier granted a $100 allowance. e. BSS paid for the golf shirts on October 13 . f. During the first week of October, BSS recelved student and faculty orders for 230 golf shirts, at a unit price of $75, on terms 2/10,N/30 g. The golf shirts were dellvered to these customers on October 18. Unfortunately, customers were unhappy with the goif shirts, so BSS permitted them to be returned or given an allowance (see h and i. Uncertain whether customers would keep or return the shirts, BSS decided to record any sales discount only when taken (using the gross method) h On October 19, one-half of the golf shirts were retumed by customers to BSS. 1. On October 20, an allowance was given on account equal to $27.70 per shirt for the remaining 115 shirts 1. The customers paid their remaining balances on the last doy of the month, October 31 . No further returns are expected Required: 1. For each of the events (a) through a, indicate the amount and direction of the effect ( for increase, - for decrease). (Enter any decreases to account balances with a minus sign.)