The circles of longitude, meridians, meet at the geographical poles, with the west-east width of a second naturally decreasing as latitude increases. On the equator at sea level, one longitudinal second measures 30.92 metres, a longitudinal minute is 1855 metres and a longitudinal degree is 111.3 kilometres.
The median average insurance rate in the U.S. is $1,248 per year, which works out to just about $100 per month in insurance. Assuming $125 per month for gas, and $50 per month to save for things like registration and repairs, that leaves our hypothetical buyer with $277 for their monthly car payment.
The average car salesperson sells 10.5 units per month. This is the average person and the average month. Seasonal effects on sales do take place but they vary depending on where you are in the country. In 11 out of the twelve months there is also another rule of thumb.