Hirsch Company buys inventory for $20,000 on terms of 2/10, n/30. It pays within the discount period.

I have already solved the first question and inserted it below. Please help me with the second question.

1.	Prepare the journal entries to record the purchase and the payment under both the (a) gross price and (b) net price methods. Assume that Hirsch uses a periodic inventory system. (Already solved and inserted below)
2.	Prepare the journal entries to record the purchase and payment under both the (a) gross price and the (b) net price methods. Assume that Hirsch uses a perpetual inventory system.

1. 3/14	Inventory		20,000
2	Accounts Payable			20,000
3. 3/22	Accounts Payable		20,000
4	Purchase Discounts Taken			400
5	Cash			19,600

1. 3/14	Inventory		19,600
2	Accounts Payable			19,600
3. 3/22	Accounts Payable		19,600
4	Cash			19,600