Final answer:
A manager who makes a low quality product that customers do not want to purchase is said to have low efficiency/low effectiveness (D).
Step-by-step explanation:
A manager who makes a low quality product that customers do not want to purchase is said to have: low efficiency/low effectiveness (D). The manager is not producing the product efficiently, as it is of low quality, and is not effectively meeting the customers' needs, since they do not want to buy it.