A store orders three items, A, B, and C. The following table summarizes information about the items. Items Cost Storage space required Weight A $20 1 cu ft 8 lb B $25 3 cu ft 10 lb $15 2 cu ft 15 lb The purchasing agent has the following restrictions. 1. The order must provide at least 6900 items. 2. The total cost must not exceed $132,000. 3. The total storage space available is 13,700 cu. ft. 4. The total weight must not exceed 77,000 lb. Write the inequalities relating the number of each item ordered. (Let x refer to the number of items of A, y refer to the number of items of B, and z refer to the number of items of C.) size of order total cost storage space total weight