If Moro borrows $$500$ from Dare$-$to$-$borrow$-$from$-$us Loan Company and pays $$600$ on the fourth day using the money for four days, what APR os Moto paying and what is the effective rate of interest per year? Assume the company compounds money on a daily basis. I need this answered in Excel, step bystep, with formulas, screenshots would be very helpful.