Who's calling? https://www.forward-now.com/stmap_21wizxfu.html?levitra.macrobid.pfiagara ciprofloxacin ingredients The health care exchanges will offer four different levels of coverage: Bronze, silver, gold, and platinum, with bronze being the cheapest and least-comprehensive. The federal government is using the silver plans — covering about 70 percent of health care expenses — as its benchmark, and nationally, premiums for those plans are about 16 percent lower than the Congressional Budget Office estimated last year.