You$$ve worked out a line of credit arrangement that allows you to borrow up to $$75$ million at any time. The interest rate is $\mathrm{.}58$ percent per month. In addition, $4$ percent of the amount that you borrow must be deposited in a non$-$interest$-$bearing account. Assume that your bank uses compound interest on its line of credit loans.

a$.$

What is the effective annual interest rate on this lending arrangement? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$

Suppose you need $$17$ million today and you repay it in six months. How much interest will you pay? $($Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

a$.$ Annual interest rate: $\_\_\_\_\%$

b$.$ Interest paid:$\_\_\_\_\_$