Total interest will be 2496.4 for the money that Shawn Bixby borrowed.
The sum that is paid in monetary form for using another person's money is known as interest.
Interest expense
30,000 x 12% x 150 days/360 = 1500
Payment deducted from the note:
3300 - 1500 = 1800
30,000 - 1800 = 28200
interest expense
28200 x 12% x 106/360 = 996.4
Deduced from the note
5300 - 996.4 = 4303.6
28200 - 4303.6 = 23896.4
Adding both the interest expense 996.4 and 1500 interest expense
996.4 + 1500 = 2496.4
The total interest will be 2496.4 which needs to be paid.
Learn more about interest, here:
https://brainly.com/question/26457073
#SPJ1