Answer:
a. $759.86 + $420.78 - $450
= $730.64
Daily periodic rate = APR / 365
= 0.14 / 365
= 0.0003836
Finance charge = $730.64 x 0.0003836 x 30
= $8.38
b. 730.64 + $8.38
= $739.02
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