Riverbed Rides makes bicycles. It has always purchased its bicycle tires from th

Riverbed Rides makes bicycles. It has always purchased its bicycle tires from the Balyo Tires at $11 each but is currently considering making the tires in its own factory. The estimated costs per unit of making the tires are as follows:   Direct materials$4   Direct labor$5   Variable manufacturing overhead$2     The company's fixed expenses would increase by $28,190 per year if managers decided to make the tire.   (a1)Calculate total relevant cost to make or buy if the company needs 5,860 tires a year.       (a2) Ignoring qualitative factors, if the company needs 5,860 tires a year, should it continue to purchase them from Balyo or begin to produce them internally?   The company ________ to purchase the tires.   should continue/ should not continue