Online brokerages generally charge transaction fees per trade. This means that a $5,000 stock purchase is charged

Question:

Online brokerages generally charge transaction fees per trade. This means that a $5,000 stock purchase is charged the same fee as a $100 stock purchase. Go to the following online brokerages and compare their transaction fees: TD Ameritrade, E-TRADE, and ScottTrade. Which has the highest transaction fee? If you had $200 to invest, and if the expected return in the stock market is 5% over one year, does the transactions cost affect your decision to buy stock? (Remember that you get charged the transactions fee for both the buy transactions and sell transactions.)

Expected Return
The expected return is the profit or loss an investor anticipates on an investment that has known or anticipated rates of return (RoR). It is calculated by multiplying potential outcomes by the chances of them occurring and then totaling these...