Ryan is self$-$employed. This year Ryan used his personal auto for several long business trips. Ryan paid $$1,920$ for gasoline on these trips. His depreciation on the car if he was using it fully for business purposes would be $$3,900.$ During the year, he drove his car a total of $16,400$ miles $($a combination of business and personal travel$).$

Note: Do not round intermediate calculations. Round your final answers to the nearest whole dollar amount.

b$.$ Ryan estimates that he drove approximately $1,740$ miles on business trips, but he can only provide written documentation of the business purpose for trips totaling $1,300$ miles. What business expense amount can Ryan deduct $($if any$)$ for these trips?

Maximum deductible amount