th e thhie ghhiesght est i u. s.u., s.ne, arnelyarly . he says his suppliers e arhie kihingki png prices. >> there's times they ha tveo tado d add a fuel surcharge. th eyth heyav he avtoe to p get the product to theiwar rewahorehouse and we have to pay again to get iter he,ere, and somebody's paying that bi.ll. it uitlt uimltatimately b us ousr oour r ougur gues. >> reporter: in ca licafolirnfoiarn, ia, jean works in a grocery store. y>> y'rou're living in a co nscotansntta sntta state pa nipac.nic. be cabeuscae usi'e i'm alw wo rrwoierrdie td that i'l have worked enough hours to ma kema tkehe t rhe rent. >> reporter: today pr espridesenidt enbit biden responding, saying 'she f'sig fhtiginhting to bg down prices, blaming inflioatn ioinn in large part on what he calls putis n'prs icprice hike. bu t buprt icpresic ses surt month almost entirely before rsiussia invaded ukraine. an d anind flinatflioation n soaring above 5% since last m.ay. republicans blasting th e thpre espridesenident. >> gas is over $4 a ga llgaonll.on. what does joe biden sa y?say? sa sa iys it's all blamed on ronus rsiusa.sia. energy prices have be enbe genoi gngoi ung up dramatically since the y dahey theoo tk ook office. >> reporter: the next biqug esqutiesontion is how mu chmu wchil wl ill the f re serervsee rvrae raise it ra teras tenes xtne wxt wee