Purchase$-$related transactions

Stylon Co$.,$ a women's clothing store, purchased $$48,000$ of merchandise from a supplier on account, terms FOB destination, $\frac{2}{10},\frac{n}{30}.$ Stylon returned merchandise with an invoice amount of $$7,500,$ receiving a credit memo.

a$.$ Journalize Stylon's entry to record the purchase. If an amount box does not require an entry, leave it blank.

b$.$ Journalize Stylon's entry to record the merchandise return. If an amount box does not require an entry, leave it blank.

c$.$ Journalize Stylon's entry to record the payment within the discount period of $10$ days. If an amount box does not require an entry, leave it blank.

d$.$ Journalize Stylon's entry to record the payment beyond the discount period of $10$ days. If an amount box does not require an entry, leave it blank.