<span>the process or system by which goods and services are produced, sold, and bought in a country or region.</span>
Answer:
Your answer is C. Its probably too late but for anyone's future reference:
Explanation:
If you crunch the numbers:
Its 6 prescriptions a month
First option: $ 20 copay = 120 with just prescriptions + 50 for the monthly premium. total: 170
Second option: $15 copay=90 with just prescriptions +70 for monthly premium. total: 160
Third option: $10 copay= $60 with just prescriptions+ 90 for monthly premium. Total: 150
Fourth option: $ 8 copay= 48 with just prescriptions+110 for monthly premium. Total : $158
Lowest cost is option c