Can someone please explain how this answer was received in detail

65. $10, DOD,00 $9.000.00 $8,000.DO Total Costs and Total Revenues 57,000.00 $6,000,00 $ 5.000.00 $ 4,000.00 $3,000.00 $ 2,000 00 $1,000.00 - - - Fixed Costs $0.00 SO 100 150 200 250 300 350 400 450 500 . . Sales Revenue Number of Units Sold - Total Costs Which statement is true with respect to the point on this graph when sales are at 150 units per month? Your Correct Answer Answer Sales revenue equals $2,500. Total costs equal $2,000. Total costs equal $3,500. Fixed costs equal $2,750