Not an answer to your question but the profit estimator allows the user to replace the text in the final output at the bottom. I wouldn't make that an input sin

Not an answer to your question but the profit estimator allows the user to replace the text in the final output at the bottom. I wouldn't make that an input since it's for display only. Header tag would probably be best. I click and highlight text as I read (habit) and I accidentally erased it. :)