How plausible is Frank Habineza's proposed Value Added Tax reforms?

Democratic Green Party of Rwanda presidential candidate Frank Habineza’s campaign manifesto has reduction of Value Added Tax (VAT) as one of its pledges. This proposal, Habineza says, seeks to increase trade as well as lower the prices on the market.
A trader transacts business using a billing machine at Mateos.TKisambira
A trader transacts business using a billing machine at Mateos.TKisambira
Collins Mwai