Answer:
The optimum production quantity is 72 wheel bearings per batch.
Step-by-step explanation:
Wheel Rite can produce 480 wheel bearings per day.
Setup cost are $39 per batch.
Holding costs are $0.70 per unit per year.
The optimum batch size can be calculated as the one that minimizes the cost. This can be calculated with the Economic Order Quantity formula:
![Q=\sqrt{(2DS)/(H) }](https://img.qammunity.org/2021/formulas/business/college/5hpiw2fan0974odhy3i934srr0h5b8gyek.png)
In this case, the units are:
D: daily demand (52 u.)
S: Setup cost per order ($39)
H: holding cost per unit per year ($0.70)
Then, we have:
![Q=\sqrt{(2DS)/(H) }=\sqrt{(2*52*39)/(0.7) }=√(5,794)=76.12\approx 72](https://img.qammunity.org/2021/formulas/business/college/hg4xt3uijhyo7g9e1kecyagwkz6vava3kg.png)
The optimum production quantity is 72 per batch.