A property was recently sold for $90,000. $20,000 in cash and a $70,000 mortgage, amortized over 30 years with monthly payments at 9% nominal (annual) interest. a. Calculate the cash equivalency of the sale assuming that the mortgage runs full term and the current market rate for the mortgage is 10%. b. Calculate the cash equivalent value of the sale assuming that the mortgage is pad off at the end of seven years and the current market rate for the mortgage is 10%.