The Penny Test. There are several popular ways to check your tire tread depth. One easy way is the penny test. Simply insert a penny into your tire's tread groove with Lincoln's head upside down and facing you. If you can see all of Lincoln's head, your tread depth is less than 2/32 inch and it's time to replace your tires.
1 Hourly rates for an outside bookkeeping service run $20-$50 an hour, depending on complexity and location. 2  Usually you can hire a trained, experienced bookkeeper on a contract basis for $30-$40 an hour, but there can be a minimum monthly charge of $100-$150 for small businesses that don't require a lot of work hours. A typical salary for an in-house bookkeeper in the United States runs $30,400-$39,898 according to Salary.com. 2  The average annual pay for a bookkeeping account executive is $68,294, or $57,600 for a payroll manager, according to BookkeeperList.com.
Nevertheless, keep in mind that large national firms tend to have higher rates than smaller regional or local firms. 1  CPAs are at the top of the pay scale, commanding $150 to $250 per hour in most cases. In major cities, however, a tax accounting firm's top talent might command up to $500 per hour.