There are 11.9% of the total cost of the loan did her finance charges comprise, the correct option is D.
The total finance charge is the amount of money a consumer pays for borrowing money on a credit card.
Given
Chelsea made monthly payments for four years before her $13,440 loan was paid off.
The loan had an interest rate of 5. 86%, compounded monthly.
Chelsea paid $156. 60 in service charges.
The percentage of the total cost of the loan did her finance charges comprise is;
[tex]\rm\dfrac{ 13,440(\dfrac{0.0586}{12})}{(1-(1+\dfrac{0.0586}{12})^{-48}})= 15,109.44 \\\\15,109.44 + 156.60 = 15,266.04\\\\ 15,266.04 - 13,440.00 = 1,826.04 \\\\=\dfrac{1,826.04}{15,266.04}\\\\ =11.96\ Percentage[/tex]
Hence, there are 11.9% of the total cost of the loan did her finance charges comprise.
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