To save for their​ daughter's college​ education, Fred and Alice deposit ​$1250 at the end of each semiannual period into an account that pays 4.9​% interest compounded semiannually. After 10​ years, they move the balance to a new account which pays 1.9​% compounded monthly and start depositing ​$370 per month for 8 years. How much will the account contain at the end of this​ 18-year period?