Company worth or Price Undervalued and Overvalued

Q & ACompany worth or Price Undervalued and Overvalued
Liew Choon Fong asked 9 years ago

Dear KC, I would like to get your kind advise on decision to buy a stock ?
(a) How to measure/calculate  a company worth undervalue or undervalue?
(b) How to measure/calculate a current price ;per share is undervalue or overvalue ? 
(c) How to measure/calculate Price per share from financial report?
(d) One of the buy factor is company worth undervalue and current price is undervalue?
(e) How to calculate  the margin of safety and intrinic value link to company worth and current price? 
(f) Is it current price and company worth undervalue, mean it is a good buy?