Q. sears assigned a training program to improve tools also hardware sales. Two-hour program involved distance learning also was broadcast from sears training facility to 50 salespersons at 10 store locations in United States. Salesperson is paid $15 per hour. Program involved training salespeople in elucidate how to set up merchandise displays so they attract buyers' attention. Sales of tools also merchandise at 10 stores included in program averaged $5000 per week before program also $6500 per week after program. Program cost included:

Instructor $10000
distance learning (satellite space rental) $5000
materials ($100 per trainee at 50 trainees) $5000
trainees salaries also benefits (50 trainees with wage of $15 per hour in a 2-hour training program) $1500

illustrate what is return on investment (ROI) from this program?