Mu$$strame c$$mo resolver Calculating deposit needed$$You put $$$$10,000$ in an account earning $3\%.$ After $4$years$,$ you make another deposit into the same account.$$Five years later$($that is$,9$ years after your original $$$$10,000$deposit$),$ the account balance is $$$$22,000.$ What was the amount of the deposit at the end of year $4?$