Final answer:
Without additional information on their budget or constraints, we cannot determine the exact number of healthcare units the consumer will purchase at $10 per unit based on the 20% co-insurance rate.
Step-by-step explanation:
To determine how many units of care a health care consumer will purchase when required to pay 20% of the cost of care at $50 per unit, we need to calculate the consumer's share of each unit of care and then see how many units they can afford based on the given visit values in the table.
We are not given the consumer's budget or a limit for their expenditures, so it would be speculative to provide an exact number of units without additional information regarding their financial constraints or the nature of their health care needs.
The cost to the consumer per unit of care would be 20% of $50, which amounts to $10. If each visit requires one unit of care, participating in each listed visit would cost the consumer their portion of the care, which is $10. Without additional context or constraints, we cannot accurately predict how many units the consumer will purchase.