A partially amortizing mortgage is made for $50,000 for a term of 10 years. The borrower and lender agree that a balance of 20,000 will remain and be repaid as a lump sum at that time. 1- If the...

A partially amortizing mortgage is made for $50,000 for a term of 10 years. The borrower and lender agree that a balance of 20,000 will remain and be repaid as a lump sum at that time. 1- If the interest rate is 7 percent. what must monthly payments be over the 10-year period 2- the borrower chooses to repay loan after 5 years instead of at the end of year 10, what must the loan balance be: