Respuesta :
$273.60
18 x 40= 720
720 x 0.72 = 518.4
518.4 x 4 = 2,073.6
2,073.6 - 1,800 = $273.60
18 x 40= 720
720 x 0.72 = 518.4
518.4 x 4 = 2,073.6
2,073.6 - 1,800 = $273.60