what is the margin of this models

average selling price is 555.38

are detailed 15 Total cost Number of items Total Assume price per Total sales unit Number of employees Cost monthly Header 83,969 SAR Smart Home App with maintenance (for first year) Products cost 215,593.66 SAR 300 5 83,820 SAR Employees Admission Employees salaries (5% of total sales) Marketing budget (20% of total sales) 8,390,400 10 34,960 419,520 SAR 8,390,400 1,678,080 SAR 20000 240,000 SAR Rent 1500 18,000 SAR Electricity cost 5,000 SAR Overhead costs 3,200 SAR Licensing costs* 1000 12,000 SAR Telephone and Internet costs TOTAL COST 2,759,182.66 SAR Table 1.Total Cost Foote