If you're struggling with the material or need additional resources, consider the following:
Most solutions in Arreola’s manual begin with a cash flow diagram. If you can draw the diagram correctly, the math usually follows easily. Conclusion engineering economy by matias arreola solution manual
where EIR = effective interest rate, nominal rate = nominal interest rate, and n = number of compounding periods: If you're struggling with the material or need
The foundation of all financial calculations. nominal rate = nominal interest rate