For the Following, Try to Come Up with an Additional

Short Answer

For the following, try to come up with an additional premise that will turn the passage into a deductively valid or an inductively strong argument. Usually this requires adding a general moral principle and, sometimes, an extra nonmoral claim as well. The idea is to guarantee that the "ought" claim follows from the "is" claim.
We ought not to leave the showroom model's accessories off the price tag, since that will really mislead customers.