Answer:
Interest expense 75 debit
Interest payable 75 credit
Explanation:
principal x rate x time = interest
always rate and time should be express in the same metric. Because, the rate is annual we express time as a portion of year.
notes principal: 3,000 dollars
interest rate: 5% annual
months from Jan 1st to June 30th = 6 months
$3,000 x 5% x 6/12 = 75 dollars