MONTH EXPECTED DEMAND PRODUCTION DAYS Jan 800 21 Feb 500 18 Mar 600 18 Apr 1050 22 May 1150 19 June 1100 20 Cost Information: Subcontracting cost - SR 17 per unit per month Average pay rate - SR 10 per hour Labor hours to produce a unit 4 hours per unit Daily working hours - 8 hours a) Using excel calculate the total cost of the following plan: - Plan : is to maintain a constant workforce at a level necessary to meet the lowest demand month and to meet all demand above this level by subcontracting.(Answer in Field) Attach your solutions