This is our main tax information forum which deals with topics concerning Canadians living and working in the U.S., U.S. citizens contemplating working in Canada, and all aspects of Canadian and U.S. income tax and related adminstrative issues.
Sigh. Read the 8891 form. If you put someting on 7b it MUST go on 16b.
Then the 1040 calcs will take over and you will owe no tax.
Seriously, with the questions you have you should NOT be doing this by hand.
After 20 years, I am severely cutting back on responses. Do not ask specifically for my help. There are a few others on this board that can answer most questions. All the best