Under Armour (UA) marketing seeks to associate the brand with high durability and differentiate it from other competitors. Theylaunched its first global marketing campaign last year costing $7.5 million. The new collection comes with a series of technological improvements to enhance comfort and make cold weather more tolerable. a) What is the main objective of UA's marketing plan? Is UA's marketing expenditure of $7.5 million a fixed cost or a variable cost? b) How does UA's marketing change the firm's cost curves and revenue curves and its economic profit? Does average total cost at the profit-maximizing output increase or decrease? Under Armour (UA) marketing seeks to associate the brand with high durability and differentiate it from other competitors. Theylaunched its first global marketing campaign last year costing $7.5 million. The new collection comes with a series of technological improvements to enhance comfort and make cold weather more tolerable. a) What is the main objective of UA's marketing plan? Is UA's marketing expenditure of $7.5 million a fixed cost or a variable cost? b) How does UA's marketing change the firm's cost curves and revenue curves and its economic profit? Does average total cost at the profit-maximizing output increase or decrease?