29. The lower the gross profit margin: A. The lower the amount of inventory in excess of immediate needs that should be maintained. B. The higher the amount of inventory in excess of immediate needs that can be maintained. 30. The higher the gross profit margin: 1p A. The lower the amount of inventory in excess of immediate needs that should be maintained. B. The higher the amount of inventory in excess of immediate needs that can be maintained. 31. The lower the gross profit ratio: A. The less resources will be available to sell or promote the product. B. The more resources will be available to sell or promote the product. 32. The higher the gross profit ratio: A. The less resources will be available to sell or promote the product. B. The more resources will be avaliable to sell or promote the product. 33. Factors that affect demand and supply include: 1 A. Price. B. Quality c. Quantity, availability. D. Time, speed, convenience. E. All of the above