(Pizza) In the production of pizza, which of the following four variables is not an input variable?.
(Pizza) In the genesis of pizza, which of the aftercited indelicate inconstants is not an input inconstant? [7.1]
a. The quantity of dough alert for the pizza
b. The weather of the oven
c. The pattern of cheese on the pizza
d. The span that the customer leaves the pizza in the refrigerator