What kinds of expenses do mutual funds incur? How are expense ratios calculated? Why should investors pay

Question:

What kinds of expenses do incur? How are expense ratios calculated? Why should investors pay attention to expense ratios?
Mutual Funds
Mutual funds are like a pool of funds gathered by different small investors that have simalar investment perspective about returns on their investments. These funds are managed by professional investment managers who act smartly on behalf of the...