What was the average price of a riding lawn mower in 1975?

I used the Consumer Price Index (CPI) to calculate the cost of these products in 1975 dollars.  To test the CPI click below:

http://www.minneapolisfed.org/research/data/us/calc/index.cfm

According to Sears.com, a Craftsman Riding Mower currently retails (on sale) for $1,299.99.

http://www.sears.com/sr/javasr/product.do?vertical=LAWN&pid=07128721000&adCell=P3&BV_UseBVCookie=Yes

By useing the CPI calculator, I have determined the cost of the mower in 1975 would be estimated at $340.34

A Craftsman Walk-Behind Mower currently retails for, $249.99.

http://www.sears.com/sr/javasr/product.do?vertical=LAWN&pid=07137665000&adCell=P3&BV_UseBVCookie=Yes

In 1975, the Craftsman Walk-Behind Mower would retail for $65.45.

A Craftsman Weed Eater currently retails for, $99.99.

http://www.sears.com/sr/javasr/product.do?cat=Power+Lawn+Equipment&pid=07179103000&vertical=LAWN&subcat=Line+Trimmers&BV_UseBVCookie=Yes

In 1975, the Craftsman Weed Eater would retail for $26.18.