Wilson has a balance of $890 on a credit card with an APR of 18.7%, compounded monthly. About how much will he save in interest over the course of a year if he transfers his balance to a credit card with an APR of 12.5%, compounded monthly? (Assume that Wilson will make no payments or new purchases during the year, and ignore any possible late-payment fees.)
A.$117.85 B.$181.46 C.$299.31 D.$63.61

Question

Wilson has a balance of $890 on a credit card with an APR of 18.7%, compounded monthly. About how much will he save in interest over the course of a year if he transfers his balance to a credit card with an APR of 12.5%, compounded monthly? (Assume that Wilson will make no payments or new purchases during the year, and ignore any possible late-payment fees.) 
A.$117.85 B.$181.46 C.$299.31 D.$63.61