Vista Company manufactures electronic equipment. In 2021, it purchased from an outside supplierthe special switches used in each of its products. The supplier charged Vista $2.00 per switch. As an alternative, Vista's CE'C)I considered purchasing either machine A or machine B so the company could manufacture its own switches. The CEO decided at the beginning of2022 to purchase machine A, based on the following data: Machine A Machine B Annual 'Fixed cost (depreciation) $ 151,669 $ 226,666 Variable cost per switch 9.75 6.35 Required: 1. 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 (i.e., purchasing and then using machine A to make the switches versus purchasing the switches from the outside vendor}? 2. Assume that machine A has already been purchased. Is it preferable to use machine Ato make the switches or to purchase the switches from the external supplier? 3. Assume that machine A has already been purchased. At what annual volume level should Vista consider replacing machine A with machine E5? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Assume that machine A has not yet been purchased. What is the annual volume that would make the company.r indifferent between the two decision alternatives (i.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.) _ RequiredZ ) Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Assume that machine A has already been purchased. Is it preferable to use machine A to make the switches or to purchase the switches from the external supplier? Use machine A to make the switches. OPurchase the switches from the external supplier. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Assume that machine A has already been purchased. At what annual volume level should vista consider replacing machine A with machine B? (Do not round intermediate calculations. Round your nal answer up to the nearest whole number.) _ units (per year} ( Required 2