Raceway Company manufactures engines. Raceway produces all the parts necessary for its engines, except for one electronic component, which is purchased from two local suppliers: Hydra Internationst and Parabte Compsny, Both supptlers are rellable ond rarely dellver late. Hydra sells the component for $12 per unit, while Parable sells the same component for $10. Raceway purchases 80% of its components from Parable because of the lower price it offers. The total annual demand is 95,000 units. What is the activity rate for inspecting components based on sampling hours? (Round answer to the nearest dollar) s10 per anpine bour $79 per unplinteliour c. 512 por anteling hour d. 578 per ampline hou