process design, optimization and economics question. please help me solve with full handwritten solution. thank you

b) A company is planning to purchase an advanced machine centre. Three original manufacturers have responded to its tender whose particulars are tabulated as follows: Manufacturer 1 2 3 500 000 400 000 600 000 Down payment (RM) Yearly equal installment (RM) 200 000 300 000 150 000 Number of 15 15 15 installments Determine the best alternative based on the annual equivalent method by assuming i = 20%, compounded annually. Given Financial Data: (A/P, 20%, 15) = 0.2139 (12 marks)