I've paste this code to main-product.liquid and it works, but new field appear (you could see result in 1st screenshot). But what i need is on 2nd screenshot. Is it possible to make it?

Rajweb, thank you for your answerCould you please leet me know where exactly i need to paste this code? Main-product.liquid?

 Hey! Love your answer, so detailed! may be you also could help me with my question. i need to show inventory visible live in dropdown product menu for client like on screenshot half of products options are ready to order and some all “make to order”...