GDP can be contrasted with gross national product (GNP) or, as it is now known, gross national income (GNI). The difference is that GDP defines its scope according to location, while GNI defines its scope according to ownership.
Calculate Your Cost of Commuting. Fill out this form to figure out your monthly commute cost! (Press TAB to move to the next field and SHIFT-TAB to move back one field.). In order to calculate Monthly cost of commuting please use this formula: monthly cost = ((distance * workdays * 0.065) + (distance * workdays * 0.46) + (distance * workdays * (price / mpg)) + (parking)). where: distance: your daily round trip commute distance from home to work (in miles).
APTA then compares the average monthly transit fare to the average cost of driving. The cost of driving is calculated using the 2011 AAA average cost of driving formula. AAA cost of driving formula is based on variable costs and fixed costs.The variable costs include the cost of gas, maintenance and tires.ashington, D.C. â According to the American Public Transportation Associationâs (APTA) November Transit Savings Report, individuals who switch from driving to riding public transportation can save, on average, $816 dollars this month, and $9,797 annually.