The price difference between the grades has also been adjusted downwards, with the difference between B1 and B2 shrinking to 1% in comparison with the past when it was as large as 4%.
Kuhambana ka ntsengo exikarhi ka ti grades naswona swi lulamisiwile kuya ehansi, laha kungana ku hambana exikarhi ka B1 na B2 yi hungutiwa kuya eka 1% loko yi pimanyisiwa nale ndzhaku loko yahari leyikulu eka 4%.