Hello jennymatwhite,
Thanks for reaching out to us here. I'll be glad to guide you in the right direction so you're on the right track with your work.
In order for your taxes to be set up correctly on your products, I recommend following the steps provided in the following article as they show you how to correctly set up inventory items so they are assigned to the correct accounts/categories. In case the issue persists, I see you benefiting more by contacting our phone support team so a specialist can share your screen while assisting you further.
In the meantime, feel free to ask other questions. I'll be on standby.