A population gathers plants and animals for survival. They need at least 320 units ofenergy, 300 units ofprotein, and 8 hides. One unit of plants provides 30 units ofenergy, 10 units ofprotein, and 0 hides. One animal provides 20 units ofenergy, 25 units ofprotein, and 1 hide. Only 22 units of plants and 18 animals are available. It costs 20 hours of labor to gather one unit of a plant and 12 hours for an animal. Find how many units of plants and animals should be gathered to meet the requirements with a minimum number of hours of labor.

The population should gather how many units of plants and how many animals