*I NEED THE SOLUTION OF QUESTION NUMBER TWO, SOLVED BY LINGO ONLY*

1. A dairy factory uses milk to produce two kinds of dairy products Al and A2.

A bucket of milk can be used in producing 3 kg Al and costing 12 hours, or 4 kg A2 and costing 8 hours in the workshop.

According to market demand, All of A1, A2 can be sold, with a profit of 24 yuan per kilogram of Al and 16 yuan per kilogram of A2. Now the processing plant gets 50 buckets of milk a day, the total working time of

regular workers is 480 hours per day, and workshop a can process up to 100kg of A1

and there is no limit to A2.

Question: Try to make a production plan for the factory to make the most profit every day. 2. (1) If you can buy a bucket of milk with 35 yuan, should you make this investment? If you invest, how many buckets of milk can you buy at most every day.

(2) If temporary workers can be employed to increase working hours, what is the maximum wage paid to temporary workers per hour.

(3) Due to the change of market demand, the profit per kg of Al is increased to 30 yuan. Should the production plan be changed?