Perpetual and Periodic Systems$-$Recording Inventory$-$Related Entries using the Net Method

The following transactions all relate to Sharper Inc.$\text{'}$s purchase of merchandise inventory on December $10.$

Purchased inventory on December $10$ with a list price of $$3,375,$ a trade discount of $20\%,$ and with terms $\frac{2}{10},\frac{n}{30}.$

Returned $$450$ of inventory to the supplier on December $15.$

Reduced accounts payable by $$1,800$ due to a $$1,800$ cash payment to the supplier on December $19$ ; this payment was within the cash discount period.

Paid the remaining balance to the supplier on January $5$ of the following year.

Perpetual inventory systems

Periodic inventory systems

a$.$ Prepare journal entries for the transactions $1$ through $4,$ assuming that the company uses the perpetual inventory system and the net method to record purchases. Include any adjusting entry required on December $31.$

Note: Round answers to the nearest dollar.

$\backslash$table$[[$Date$,$Account Name,,Dr$.,$Cr$.],[$Dec$.10,$Inventory,$*{*}^{},2,646,0],[$Accounts Payable,$*{*}^{},0,2,646],[$Dec$.15,$Accounts Payable,$,441,0],[$Inventory$,$hat$(),0,441],[$Dec$.19,$Accounts Payable,$*{*}^{},1,800,0],[$Cash$,,0,1,800],[$Dec$.31,$Interest Expense,hat$(AA),0,0],[$Accounts Payable,,$0,0],[$To record adjusting entry for interest.,,,$],[$Jan$.5,$Purchases,hat$(AA),0,0],[$Accounts Payable,hat$(AA),0,0]]$

Please answer all parts of the question.