In April, Keller Associates carries out a two$-$week consulting project for Apex Industries. The total bill for the project is $$25,000,$ and

payment is due on May $31.$ Apex sends Keller a check for $$25,000$ on May $15.$ Keller deposits the check on May $18$ and recognizes all

revenue related to the Apex project as of that date. In this scenario, Keller has

violated GAAP because generally accepted accounting principles require that companies use cash$-$basis accounting.

not violated GAAP because generally accepted accounting principles require that companies use accrual$-$basis accounting.

not violated the revenue recognition principle because this principle requires that all revenue related to the Apex project

be recognized in May.

violated the revenue recognition principle because this principle requires that all revenue related to the Apex project be

recognized in April.