Need help with all 2 parts

c-15 question 5 Discount loan. Up-Front Bank uses discount loans for all its customers who want one-year loans. Currently, the bank is providing one-year discount loans at 8.4%. What is the effective annual rate on these loans? If you were required to repay $300,000 at the end of the loan for one year, how much would the bank have given you at the start of the loan?

If you were required to repay $300,000 at the end of the loan for one year, how much would the bank have given you at the start of the loan?

(Round to the nearest dollar.)