# Economics

## Engineering economics - cash flow diagrams, present value, discount rates, internal rates of return - IRR, income taxes, inflation

### Accounting Rate of Return

Net Income to Net Investment

### Bid - Work Flow Template

A bid work flow template - Online with Google Docs

### Car Cost Calculator - New Car vs. Old

Compare costs between cars

### Cash Flow Diagrams

Value of future money

### Compound Interest Tables

Compound interest tables - Interests ranging 0.25 - 60%

### Discount Rates

Single and multiple discounts

### Discrete Compounding Formulas

Compounding formulas for discrete payments

### Income Taxes

Taxable income and income taxes

### Inflation Rate

Inflation and future value

### Interest Formulas

Single cash flow formulas

### Interest Rate

Interest is the cost of money

### Interest Rates - Effective versus Nominal

Effective vs. nominal interest rates

### Internal Rate of Return - IRR

Internal Rate of Return - IRR - the break-even interest rate

### Investment in Renewable Energy

An example - how to calculate an investment in renewable energy

### Markup and Gross Profit

Profit versus markup

### Net Income

The accounting measure of a project

### Net Present Worth - NPW - of a Stream of Payments

Net Present Worth - NPW - or Value of a stream of payments

### Operating Profit

Generated profit or income

### Payback Time

Investments and payback time

### Percentage

Working with percentages - parts of a whole

### Perpetuities

An asset providing a fixed cash flow

### Present Value

The Present Value of money in the future

### Shipping - Cost, Payment Terms and Conditions (TERMS)

FOB, CFR ...