. Optimization: Marginal Analysis- Quantity Determination, Profit Maximization

Given the following information, please state your suggestions: 25%

Price	Quantity	Total Revenue	Total Cost
150	1		82
148	2		72
144	3		60
140	4		52
138	5		46
135	6		38
132	7		34
129	8		42
126	9		48
123	10		53
120	11		61
117	12		71
114	13		82

1. What will be the quantity that you will suggest to produce for reaching the optimization point (in resource allocation)? Please specify your decision rule and present the number to support your decision (Must show your calculation steps and explain) (10%)