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In recent years, firms have shifted more of their communications budgets to a. direct marketing b. trade and consumer promotions c. advertising d. personal selling While online purchases are growing rapidly, many consumers are still not sure about making online purchases. Challenges e-commerce firms face in persuading consumers to shop online include a. problems in shipping merchandise on time and accurately b. credit card security and purchase behavior habits c. cost of products, including shipping and handling costs d. availability of products and purchase behavior habits A free liter of Pepsi with the purchase of a DiGiorno pizza is an example of a(n) a. overlay b. intracompany tie-in c. intercompany tie-in d. bonus pack