The field with RED numbers indicates you can change the value in the field. Enter your desired numbers and hit "Enter." If you accidentally type in a field with BLACK numbers you will need to refresh your browser.
While your expenses count, your most important variables are your desired annual income and your projected annual sales. Those figures determine your Minimum Net Wholesale Price Per Piece Required. In other words, those two figures determine what you need to set as a minimum price to achieve your income goals.
(Refresh your browser to reset to start over and return to default settings)