Answer:
$604,160
Step-by-step explanation:
Note: The full question is attached as picture below
Weighted average interest rate on general borrowings = 10%* $1,200,000 /$4,000,000 + 12%* $2,800,000 / $4,000,000
Weighted average interest rate on general borrowings = 11.40%
Avoidable interest = ($4,000,000*11%) + ($5,440,000 - $4,000,000) * 11.40%
Avoidable interest = $440,000 + $164,160
Avoidable interest = $604,160