7- Businesses invest a large amount of assets. They evaluate different business investments to decide where to spend the money. They use investment valuation models for evaluation. Gkdelen Construction Company wants to purchase a new cement pumping machine to save labor costs. The cement pump is 1.000.000$ and its service life is 10 years. (Scrap value = 0) The pump will be depreciated according to the normal depreciation method according to its lifetime. Cement pump will decrease monthly labor cost by 12.000$. (144.000$ per year) Evaluate this project using 4 investment valuation model methods. The corporation tax rate is 20%. Discount rate = %6 Consider whether the company should purchase this cement pump with each investment valuation method. Show your calculations and make logical explanations about the basis of your decisions