9. Suppose that you took out a loan at 12% interest for 200 days. If the amount of interest was $677.26, use the exact interest method to find the amount of principal you borrowed. (Round to the nearest whole dollar amount.)

$45. $4,453 $10,156. $10,300

10. Use the ordinary interest method to compute the time (in days) for the loan. Round your answer up to the next highest day when necessary.

Principal	Rate (%)	Time	Interest
$7,200	10.4	________ days	$222