A bank is offering a loan of $$20,000$ with interest rate of $9\%,$

payable with Monthly$$ payments over a $4$ year period.A$.$ Calculate the monthly payment$$ required to repay the

loanB. This bank also charges a loan fee of $4\%$ of the amount of the

loan, Payable at the time of closing of the loan $($that is$,$ at the

time of the borrowers receives$$the money.$)$ What effective

interest rate is the bank charging?$$