<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukuguqulwa: Ngo-1985, kwamiswa izinhlamvu zemali ezinamagama angu-5 hào, 1, 2, 5, 10, 20, 30, 50, 100, no-500 đồng. Njengoba ukwehla kwamandla emali kwaba yinto evamile, la mabhange okuqala alandelwa ngama-200, ama-1,000, ama-2,000, nama-5,000 ama-venge ngo-1987, ngama-10,000 nama-50,000 ama-venge ngo-1990, ngama-20,000 ama-venge ngo-1991, ama-100,000 ama-venge ngo-1994, ama-500,000 ama-venge ngo-2003, nama-200,000 ama-venge ngo-2006. Ama-banknotes anenani le-5,000 đồng nangaphansi ayekile ukukhiqizwa, kepha kusukela ngo-2015 asesekhona ngokusatshalaliswa okubanzi. Kuvele uchungechunge lwama-banknotes amahlanu. Ngaphandle kwalolu chungechunge lwamanje, olwakhishwa ngo-2003, bonke babedida umsebenzisi, bengenayo indaba ehlanganisiwe nokuxhumana emiklamweni yabo. Ithebula lokuqala elingezansi libonisa imali yamaphepha yakamuva, engu-Vong 100 noma ngaphezulu, ngaphambi kochungechunge lwamanje. Umbuzo: Ingabe ikhona inqwaba yezinhlamvu zemali zama-dong ezingadida umsebenzisi?  <response>: uchungechunge lwamanje 