Organic Ceramics produces large planters to be used in urban landscaping projects. A special earth clay is used to make the planters. The standard quantity of clay used for each planter is 24 pounds. The company uses a standard cost of $ 2.15 per pound of clay. Organic produced 3 comma 000 planters in May. In that month, 75 comma 000 pounds of clay were purchased and used at the total cost of $ 153 comma 000