Janie's Juice has developed an addition to its juice menu tentatively branded Super Smoothie. It costs 90 cents to produce each smoothie & 50 cents for fruit and other contents. Janie's Juice also spent a lot on advertising expenditures in the first year costing $900,000. Janie's Super Smoothie burgers is priced at $7.50 for a 60mL bottle. (a) What is the variable cost per unit to produce a Janie's Super Smoothie