Math Problem Statement
An irrigation system's development and construction expenses average $1,600 per hectare. If the end users have 15 years to pay back the loan used to finance the construction, a.) what is the contribution to a sinking fund the end-users would have to pay in annual irrigation fees per hectare if the rate of interest on the fund is 7% compounded annually? b.) If the interest on the loan is 12% per annum, and the operation and maintenance expenses, estimated to be $37.00 per hectare per year, were also assumed by the end-users instead of by the government, what would be the total annual irrigation charge per hectare?
Solution
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Math Problem Analysis
Mathematical Concepts
Finance Mathematics
Sinking Fund Contributions
Loan Repayment
Compound Interest
Formulas
Sinking Fund Formula: A = (P * i) / [(1 + i)^n - 1]
Loan Payment Formula: I = (P * r) / [1 - (1 + r)^-n]
Theorems
Compound Interest Theorem
Sinking Fund Theorem
Suitable Grade Level
Undergraduate (Finance/Mathematics)
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