The Goodsmith Charitable Foundation, which is tax$-$exempt, issued

debt last year at $12$ percent to help finance a new playground

facility in Los Angeles. This year the cost of debt is $10$ percent

higher; that is$,$ firms that paid $14$ percent for debt last year will

be paying $15\mathrm{.}40$ percent this year.$$

$$If the Goodsmith Charitable Foundation borrowed money this year,

what would the aftertax cost of debt be$,$ based on their cost last

year and the $10$ percent increase?$($Do not round

intermediate calculations. Input your answer as a percent rounded

to $2$ decimal places.$)$

$$If the receipts of the foundation were found to be taxable by

the IRS $($at a rate of $25$ percent because of involvement in

political activities$),$ what would the aftertax cost of debt

be$?($Do not round intermediate calculations. Input

your answer as a percent rounded to $2$ decimal places.$)$

$$