You are the manager of a new gourmet burger restaurant chain called "Burger Boutique." The restaurant prides itself on using high$-$quality, fresh ingredients. One of your signature menu items is a buttermilk onion ring. You currently purchase these pre$-$made from a reputable supplier, but you're considering making them in$-$house to potentially increase product quality and profit margins.

Question:

Should Burger Boutique continue to buy pre$-$made onion rings from a supplier or make them in$-$house? Conduct a make$-$vs$-$buy analysis considering the following factors: