The Alpha Corporation manufactures two products, Mobile phones & Laptops. The average and the variance of the cost per day for mobile phone is 3500 and 2000, while average and the variance of cost per...

The Alpha Corporation manufactures two products, Mobile phones & Laptops. The average and the variance of the cost per day for mobile phone is 3500 and 2000, while average and the variance of cost per day for laptop is 5500 and 3000. If the total cost function of Alpha corporation is 2X+4.5Y+500, where X and Y represent the cost of the two products respectively, calculate the average and the variance of total cost of the Alpha Corporation.

note: provide the answers in handwritten and mention the steps you are using in excel or calculator.