Trevor's Tires is offering a set of $4$ premium tires on sale for $$690.$ The credit terms are $36$ months at $$25$ per month. What is the interest rate $($APR$)$ on this offer? $($Hint: Find the monthly rate by setting the PV

of the monthly payments equal to the price of the tires. Then convert it to APR by

multiplying by $12)$

a$.17\mathrm{.}87\%$

b$.17\mathrm{.}92\%$

c$.18\mathrm{.}09\%$

d$.18\mathrm{.}16\%$