Oppenheimer Bank is offering a $30-$year mortgage with an APR of $4\mathrm{.}98\%$ based on monthly compounding. With this mortgage, your monthly payments would be $$1,960$ per month. In addition, Oppenheimer Bank

offers you the following deal: Instead of making the monthly payment of $$1,960$ every month, you can make half the payment every two weeks $($so that you will make $\frac{52}{2}=26$ 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 all intermediate calculations to at least $8$ decimal places.

The number of payments will be

$($Round to two decimal places.$)$