52. The employees at Mobile Sun Lotion Company roam the beaches with a tank of premium suntan lotion strapped on their backs. For a \$2 charge, the employees will spray sunbathers with suntan lotion. Last year, Mobile sprayed 250,000 customers and incurred the following costs: Assuming that this activity is within the relevant range, what would Mobile's total contribution margin have been last year if only 240,000 customers were sprayed? A. $255,000 B. $262,000 C. $305,000 D. $312,000