12. Find the time required for $5000 to be equal to$17,000 when deposited at 5% compounded monthly.

43. Find the amount applied to principle for the third month of a 4-year loan of $22,600 which charges 3.8 percent compounded monthly with monthly payments.

The amount applied to principle for the third month is __?

(Round to the nearest cent.)

Please answer both questions. Thank you.