A factory manufactures two types of gadgets, regular and premium. Each gadget requires the use of two operations, assembly and finishing, and there are at most hours available for each operation. A regular gadget requires hours of assembly and hours of finishing, while a premium gadget needs hours of assembly and hours of finishing. Due to other restrictions, the company can make at most gadgets a week. Let x be the number of regular gadgets, and let y be the number of premium gadgets. Enter the inequality for each restriction. Each inequality should be of the form ax + by <= c, where a, b, c are positive integers with no common factor other than 1.
