Journalize each of the following transactions assuming a perpetual inventory system. May 1 Purchased $1,200 of merchandise

Question:

Journalize each of the following transactions assuming a perpetual inventory system.
May 1 Purchased $1,200 of merchandise inventory; terms 1/10, n/30.
14 Paid for the May 1 purchase.
15 Purchased $3,000 of merchandise inventory; terms 2/15, n/30.
30 Paid for the May 15 purchase, less the applicable discount.