Carmen runs a video to DVD transfer business. She charges her customers $20.40 for each video transferred. Her expenses include $1,250.00 for the equipment and $2.45 for each blank DVD. Which of these equations could Carmen use to calculate her profit, p, for the transfer of n videos?

A. p = $17.95n - $1,250.00

B. p = $1,250.00 - $17.95n

C. p = $20.40n - $1,247.55

D. p = $22.85n + $1,250.00