Answer
The total amount due is $1,959,400.
Work Step by Step
The cost of the movers is $4\times485,000=1,940,000$ dollars.
Since 80% of the purchase price was financed the principle is $(1,940,000)(0.8)=1,552,000$ dollars.
interest = principle * rate * time
$i=(1,552,000)(10.5)(2.5)=(162,960)(2.5)=407,400$ dollars
total due=principle+interest
$t=1,552,000+407,400=1,959,400$ dollars
