<prompt> Translate the following text to EnglishKulingana na Shirika la Marekani la Wapewa Pensheni, mzee anayejiandikisha katika HMO huokoa 1,200 kwa mwaka - karibu asilimia 10 ya mapato ya wastani - ikilinganishwa na wale walio na chanjo ya kawaida na bima ya ziada.  <response>: According to the American Association of Retired Persons, a senior enrolling in an HMO saves 1,200 per year--about 10 percent of average income--compared with those with the standard coverage and some supplemental insurance. 