You’ve invested a lot in Moondogs -- now you need to find the right price to charge for your coffee. It has to be low enough to attract business, but high enough to ensure you make a profit. What’s a good step in figuring out the right price?

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right