OppenheimerOppenheimer Bank is offering a $3030-$year mortgage with an APR of $4\mathrm{.}91\%4\mathrm{.}91\%$ based on monthly compounding. With this$$ mortgage, your monthly payments would be $$$$1$ comma $9801,980$ per month. In$$ addition, OppenheimerOppenheimer Bank offers you the following$$ deal: Instead of making the monthly payment of $$$$1$ comma $9801,980$ every$$ month, you can make half the payment every two weeks$($so that you will make $52$ divided by $2$ equals $2652/2=26$ 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.

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Part $1$

The number of payments will be enter your response here. $($Round to two decimal$$ places.$)$