Paying bills

He sat across from his accountant as she began, "Let's review last month's expenses.”

"Coffee, $60. Lunches, $150. Streaming, $30."

"Okay," he nodded.

"Dinners out, $200. Gym, $50. Miscellaneous, $100."

"Alright."

"Your total is $14,230."

"What the heck, how?"

She shrugged, "Oh, bills use special math."