Solving Fuzzy Multiproduct Aggregate Production Planning Problems Based on Extension Principle

Table 4

Fuzzy overtime labour cost and inventory carrying cost.

Period (𝑡)	𝐶^1𝑜𝑡	𝐶^2𝑜𝑡	𝐶^1𝑖𝑡	𝐶^2𝑖𝑡
1	(15,15,17)	(16,16,18)	(1.8,1.8,2.0)	(1.9,1.9,2.1)
2	(15,15,17)	(16,16,18)	(1.8,1.8,2.0)	(1.9,1.9,2.1)
3	(16,16,18)	(17,17,19)	(1.9,1.9,2.1)	(2.0,2.0,2.2)
4	(16,16,18)	(17,17,19)	(1.9,1.9,2.1)	(2.0,2.0,2.2)
5	(17,17,19)	(18,18,20)	(2.0,2.0,2.2)	(2.1,2.1,2.3)
6	(17,17,19)	(18,18,20)	(2.0,2.0,2.2)	(2.1,2.1,2.3)