The breakdown of the payment made for the installment plan for the purchase made is :
Given the Parameters.
1.) The down payment :
Percentage × original cost
20% × $1980 = $396
2.) Total monthly payments made :
Number of payments × amount per installment
12 × $161 = $1932
3.) Total cost of installment plan :
Total monthly payments + down payment
$(1932 + 396) = $2328
4.) Finance charge :
Installment plan - Original cost
$2328 - $1980 = $348
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