Math Problem Statement
170,000= i=1 ∑ 60
(1+r) i
4000 + (20000+r) 60
Solution
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Math Problem Analysis
Mathematical Concepts
Finance
Present Value of Cash Flows
Interest Rate Calculation
Summation
Formulas
Present value formula: PV = ∑ [ Payment / (1 + r)^i ]
Future value of lump sum: FV / (1 + r)^n
Theorems
Time Value of Money
Non-linear Equation Solving
Suitable Grade Level
University Level (Finance, Economics)
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