can a non profit donate to another non profit (3) monetary benefits -- increase the monetary value of assets. There are both measurable and unquantifiable benefits in these three different forms of income. Among them: mental income is too strong to measure, monetary gain is easy to measure because of the static concept of value change. Economists, therefore, focus only on actual earnings. If classical economists have interpreted the "market" as "laissez-faire", coase has answered the question of how to achieve "laissez-faire" or "price mechanism". 1. The amount of the shares, the capital of the company is divided into shares, and the amount of each share is the same, that is, the shares are a reflection of certain value and can be measured in currency; (1) spiritual gain -- spiritual satisfaction; The general function of deacetylation with the lysine residues is carried out by HDAC enzymes. Apart from this pair of HDACs there exists another enzyme which performs a similar function. The name with this enzyme is SIRT1 also it removes the acetyl group by way of a very unique mechanism. The end product of this enzyme mediated reaction is nicotinamide. Removal of acetyl group by HDACs doesn't involve NAD+ hydrolysis. Inhibitors like trichostatin A, which show specific action against HDACs don't have any action against SIRT1.