Revenue and Gross Profit. First, consider the meaning behind the revenue and gross profit numbers on your income statement. Revenue equals all the income generated by sales of products or services during a period. It includes both cash purchases and purchases on account if you use the accrual accounting system and record revenue when it is earned.
A clutch job, (new pressure plate, new clutch disc, new throw out bearing, and new pilot bearing) apparently costs somewhere between $500-$600. Replacement OEM parts cost about $170. (links off of Miata.net will get you a number of good suppliers). So if you do it yourself, you might save $300+.
1 The cost of an AC compressor clutch depends on the type of clutch used which is determined by the make and model of the vehicle. 2  You should expect to spend roughly between $75 to $250 or more for the part alone.3  However, should there be need to buy the complete compressor, that would cost around $600 to $1,000. However, should there be need to buy the complete compressor, that would cost around $600 to $1,000. 2  Used and rebuilt compressors, on average, can cost $200 to $700. 3  This does not include the professional labor. 4  If the labor is included, this can bring the total up to $1,500 to $2,000.