In my office, I.R.S. stands for I'm Really Sexy. Let's fill out a 1040 - you are a 10 and I'm a 40. Technically, having sex with me is like a charitable gift. You're the kind of girl I could take home to mother - which is good, since I still live with her. Accountants do it by the book.
Accountants do it within budget.
Accountants do it to the bottom line. Accountants do it with double entries. Accountants do it between spreadsheets. Accountants are Certified to do it in Public. Two, one to change the light bulb and one to check that it was done within the given budget.