this may seem like a stupid question but im just starting alot of my research before I start working on my business plan in about a week.. basically what iam wondering is what part of the a bill is taxable? (Iam in Canada btw) I just dont know if I just take the total bill and add the tax on that. what about the materials that I already paid tax on do I have to charge again? thanks for anyhelp ive searched sbinfo cant seem to find the answers its all very confusing if anyone can clear this up pls help thanks in advance