Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger. . . . an Area Graph. Area graphs are very similar to line graphs.
The typical bank limit on monthly mortgage payments is about 28 percent of your gross monthly income. Therefore, the bank thinks you can devote up to 28 percent of your household income to your mortgage payment and expenses (including taxes, insurance and association dues).
Though mortgage lenders typically set clear guidelines for the percentage of income you can spend on your mortgage, no such guidelines exist for car loans. To determine how much of your income you should spend on a car, you must consider your total debt and personal circumstance. You might also consider how much of your income will go to car maintenance, fuel and insurance.