Holiday Meal Turkey Ranch is considering buying two different types of turkey feed. Each feed contains, in varying proportions, some or all of the three nutritional ingredients essential for fattening turkeys. Brand Y feed costs the ranch $1 per pound. Brand Z costs $1.2 per pound. The following table contains relevant information about the composition of brand Y and brand Z feeds, as well as the minimum monthly requirement for each nutritional ingredient per turkey. COMPOSITION OF EACH POUND OF FEED INGREDIENT BRAND Y FEED BRAND Z FEED MINIMUM MONTHLY REQUIREMENT A B 5 oz 4 oz 10 oz 3 Oz 0 $1.20 90 OZ 48 OZ 1.5 oz .5 OZ Cost/lb. $1.00 The rancher would like to determine the lowest-cost diet that meets the minimum monthly intake requirement for each nutritional ingredient. How many lbs. of Brand Y and Brand Z feed to buy respectively? O 2.4 lbs and 2.8 lbs 4.4 lbs and 5.8 lbs 8.4 lbs and 4.8 lbs O 6.4 lbs and 7.8 lbs