Browne, a selfemployed taxpayer, has 2021 business net income of $15,000 prior to any expense deduction for equipment purchases. In 2021, Browne purchases and places into service, for business use, office machinery costing $20,000. This is Browne's only 2021 capital expenditure.

Browne makes a proper and timely expense election to deduct the maximum amount (ignoring bonus depreciation). Browne is not a member of any passthrough entity.

What is Browne's deduction under the election?

$4,000

$10,000

$15,000

$20,000