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Assignment:Complete the following problems. You mustshow your work on the math problems to get fullcredit. Every student is responsible for completingtheir own responses to the following problems.1. Eastern Engineering has the following base-case estimates fora new small engine assembly project: Capital Investment = $15,000,000 Fixed Costs = $3,250,000 Variable Costs = $600 per unit Price per Unit = $1,000 Demand = 20,000 units per yearService Life = 12 years Salvage Value = $500,000 MARR = 20%Tax rate=0%A) Find the net present worth, equivalent annual worth, and rateof return of this base-case scenario.B) If demand for Eastern Engineering’s small engines were to be17,000 instead of 20,000, how would the net present worth,equivalent annual worth, and rate of return compare to thebase-case scenario? What if the demand was 23,000?C) If the fixed costs were to be 20% lower, how would it affect thenet present worth, equivalent annual worth, and rate of return ofthe project? What if the fixed costs were 20% higher?D) If the variable costs were to be 15% lower, how would it affectthe net present worth, equivalent annual worth, and rate of returnof the project? What if the variable costs were 15% higher?