### Chinese: 主要目的是为了获取更高的利润，其实他们的原材料增加的成本最多不会超过3、4元钱。
### English: The main purpose is to obtain higher profits. In fact, the increased cost of their raw materials will not exceed 3 or 4 yuan at most.
### Errors: There is no error in the English translation.

### Improved English: The main objective is to gain more profits; the increased cost of raw materials is actually no more than 3 or 4 yuan.
