The BLS reports that the average hourly wage for automotive and service technicians and auto mechanics was $19.22 in May 2014. The median hourly wage was $17.84. Wages for the middle 50% were between $13.11 and $23.93 per hour. The lowest-paid hourly workers earned $10.00 or less per hour, while the highest-paid auto mechanics made $29.94 or more hourly. Weekly earnings depend on the amount of work completed.
The restriction is actually a law, not an amendment, and it isn't exclusive to religious institutions. Lyndon Johnson is best known as America's 36th president, the Texan who assumed the office when John F. Kennedy was assassinated in 1963. Texas politics can be rough, and Johnson knew how to play that game. Therein lies the origin of the Johnson amendment..
The 18th Amendment to the U.S. Constitution  known as the Prohibition Amendment  was adopted in the 1920s and made the making, selling, possessing, and consuming of alcoholic drinks illegal. In the early 1930s, liquor was illegal, but people in Nebraska found ways to buy or make their own alcohol.