Given the task definition and input, reply with output. Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Problem: in a government institute 20 nos. staffs are employed. in a festival season their boss give festival allowance to all. he says his accountant to calculate for 30 days @ 100. also he says balance payment will give to driver and cleaning staff and to be adjust from petty cash. he had given rs. 65000 / - to the accountant. how much amount will taken from petty cash ?
Options: a. a. 1000, b. b. 3000, c. c. 3500, d. d. 2500, e. e. 2250
a