Bramble Rides makes bicycles. It has always purchased its bicycle tires from the Balyo Tires at $10 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 $3 Direct labor $5 Variable manufacturing overhead $2 The companys fixed expenses would increase by $28,630 per year if managers decided to make the tire. (a1) Calculate total relevant cost to make or buy if the company needs 5,210 tires a year. Make Buy Total relevant cost $ $ (a2) Ignoring qualitative factors, if the company needs 5,210 tires a year, should it continue to purchase them from Balyo or begin to produce them internally? The company to purchase the tires.