The demand forecast made by the marketing department of GasStoves for different variants of a popular model of gas stove is given below. Month Demand (units) Jan 1600 Feb 1400 Mar 1800 Apr 2000 May 1500 Develop an aggregate production plan for Januray to May. The plan should first meet the demand using the available manpower and then subcontracting. Draw a neat and well-labeled graph of the aggregate plan What is the total cost of this aggregate plan? (show every calculation) (the company has 200 number of stoves in the inventory at the beginning of January and it wants to keep the same level of inventory; inventory holding cost is Rs 150 per unit per month. The number of workers in the company are 12; output/worker/month is 90 units; average salary of a worker is Rs 30,000 per month. The subcontracting cost is Rs 400 per unit