A $130,000 mortgage with an interest rate of 4.4 percent compounded semi-annually has a monthly payment of $687.96 for 23.0 years. Calculate the number of years to pay off the mortgage if payments are made on an accelerated biweekly basis instead of monthly.
It will require____ years to pay off the mortgage if payments are made on an accelerated biweekly basis. (Round to one decimal place.)