A T-shirt manufacturer has recently increased its output from 1,500 T-shirts to 2,000 T-shirts each month. The increase in production has raised total operating costs from $20,000

to $22,000
. Given that the market price for T-shirts is $20
per shirt, the marginal revenue of the 2,000th T-shirt is _____.(1 point)
Responses

$4
4 dollars

$2,000
2,000 dollars

$10,000
10,000 dollars

$20

$20