4. Sandra's Consulting Services is considering outsourcing its payroll system. Total costs related to last month's payroll, when there were 3,610 employees, were as follows: \"1* s1.ooo Computer hardware 30000 $15,000 of the computer hardw'are costs were common costs that will continue even if the email system Is abandoned, and Sandra's Consulting Services will still need to pay for the virus protection license. Joe's Payroll Services has offered to takeover the bI-weekly payments for $15.00 per employee. Next year, Sandra's Consulting Services estimates that there will be 3.890 employees. By how much will Sandra's Consulting Services' monthly prots change if they decide to outsource the payroll to Joe's Payroll Services instead of preparing it ? ( 5 Marks) - hint - relevant cost