Implement process costing to analyze production costs for PepsiCo's snack products, including Lays, Doritos, and Cheetos.

Product	Direct Materials ($)	Direct Labor ($)	Factory Overhead ($)
Lays	0.55 per unit	0.18 per unit	0.12 per unit
Doritos	0.70 per unit	0.24 per unit	0.18 per unit
Cheetos	0.80 per unit	0.28 per unit	0.20 per unit

2. Calculate the total manufacturing costs for each product line.
3. Determine the cost per unit using weighted average method for inventory valuation.
4. Recommend cost-saving measures to improve production efficiency and profitability.