Determine the following before deciding a prescription:
(a) maximize effectiveness at the least cost;
(b) maximize effectiveness at a fixed cost of $10,000;
(c) achieve a fixed-effectiveness level of 6,000 units of service at a fixed cost of $20,000;
(d) maximize net benefits, assuming that each unit of service has a market price of $10;
(e) maximize the ration of benefits to costs, assuming that each unit of service has a market price of $10.