explain why it is important to assess whether a
promotional campaign has achieved its objectives
or not.

See explanation -

Explanation:

Without a promotional campaign, a product or a company cannot achieve its objectives. It needs to be evaluated. With the help of a promotional campaign, the company can assess how the products are selling and what is the brand loyalty from the customer. If the company gets positive and negative feedback through the customer with that promotional campaign, the company can produce high-quality products.

answer: in the short-run firms will respond by raising the price of turkey.

explanation: initially the long-run equilibrium is at a price of $5 per pound of turkey and a quantity of 50 million pounds per year. now, when webmd claims that a protein found in turkey will increase your expected lifespan by 4 years. the consumers demand for turkey will increase at every price shifting the demand curve to the right from d1 to d2. while, there will be no change in the supply curve in the short-run as it is not possible for producers to adjust supply so quickly. as a result the new equilibrium will occur at a higher price and a higher quantity of turkey.

thus, in the short run firms will respond by increasing the price of turkey, selling more quantity at a higher price and earning economic profits.