Oppenheimer Bank is offering a 30 -year mortgage with an APR of 5.1% based on monthly compounding. With this mortgage your monthly payments would be $1,990 per month. In addition, Oppenheimer Bank offers you the following deal: Instead of making the monthly payment of $1,990 every month, you can make half the payment every two weeks (so that you will make 52/2=26 payments per year). With this plan, how long will it take to pay off the mortgage if the EAR of the loan is unchanged Note: Make sure to round intermediate calculations to at least 8 decimal places. The number of payments will be which is approximately years. (Round to two decimal places and enter the years rounded to the nearest whole number.)