Haru is a self$-$employed cash$-$method, calendar$-$year taxpayer who made the following cash payments related to his business this year.

Calculate the after$-$tax cost of each payment assuming Haru has a $37$ percent marginal tax rate.

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

a$.$ $$1,800$ fine for speeding while traveling to a client meeting.