Consider a project with an initial investment of $300,000, which must be financed at an interest rate of 12% per year. Assuming that the required repayment period is six years, determine the repayment schedule by identifying the principal as well as the interest payments for each of the following repayment methods:
(a) Equal repayment of the principal: $50,000 principal payment each year
(b) Equal repayment of the interest: $36,000 interest payment each year
(c) Equal annual installments: $72,968 each year