In terms of probability, which of the following

taxpayers would be least likely to be audited

by the IRS?

a$.$ Taxpayer owns and operates a check$-$cashing

service.

b$.$ Taxpayer just received a $$3$ million personal

injury award as a result of a lawsuit.

c$.$ Taxpayer is an employed electrician.

d$.$ Taxpayer just won a $$1$ million slot machine

jackpot at a Las Vegas casino.