Answer:
a)
Step-by-step explanation:
Based on the information provided within the question it can be said that in this scenario the type of advertising that they are planning to undertake is Vertical cooperative advertising. This type of advertising is characterized by the marketer offering to pay for a certain percentage of the advertising costs that the partner would have. Which is exactly what the manufacturer of the hot tubs is stating by offering to pay 60% of the ad costs.