$$PMF$,$ Inc., can deduct interest expenses next year up to$30\%$ of EBIT. This limit is equally likely to be $ $14$$$14$million$,$ $ $23$$$23$million$,$ or $ $32$$$32$ million. Its corporate tax rate is $30\%30\%,$ and investors pay a $15\%15\%$ tax rate on income from equity and a $35\%35\%$ tax rate on interest income. a$.$ What is the effective tax advantage of debt if PMF has interest expenses of $$$$1111$ million this coming$$ year? b$.$ What is the effective tax advantage of debt for interest expenses in excess of $ $32$$$32$million$?($Ignore$$ carryforwards$).$ c$.$ What is the expected effective tax advantage of debt for interest expenses between $ $14$$$14$ million and $ $23$$$23$million$?($Ignore$$ carryforwards$).$ d$.$ What