Vista Company manufactures electronic equipment. In 2021, it purchased from an outside supplier the special switches used in each of its products. The supplier charged Vista $260 per switch. As an alternative, Vista's CEO considered purchasing either machine A or machine B so the company could manufacture its own switches. The CEO decided at the beginning of 2022 to purchase machine A based on the following data, Machine A Machine Annual fixed cost (depreciation Variable cost per switch 0.60 $141.000 $ 210.000 0.25 Assume that machine A has not yet been purchased. What is the annual volume that would make the company indifferent between the two decision alternatives (.e. purchasing and then using machine A to make the switches versus purchasing the switches from the outside vendor)? (Do not round Intermediate calculations. Round your final answer up to the nearest whole number) Indiference point unitsyear