Eric is interested in buying a house for $222,000, and he has the option of a 15-year fixed-rate mortgage or a 30-year fixed-rate mortgage. the interest rate on both of the mortgages is 4.6%. eric wants to know how much money the 15-year mortgage would save him over the long run. calculate the amount for eric by answering the following questions. (5 points: part i - 1 point; part ii - 1 point; part iii - 1 point; part iv - 1 point; part v - 1 point) part i: what would eric's monthly payment be if he chooses the 15-year mortgage? part ii: what would eric's monthly payment be if he chooses the 30-year mortgage? part iii: if eric chooses the 15-year mortgage, what will be his total cost?