Nyanzvi munyaya dzehupfumi vachishanda vakazvimirira , VaJames Johwa , vaudza Studio 7 kuti South Africa iri kubatsira Zimbabwe semuvakidzani uyewo nekuti kunaka kwehupfumi hweZimbabwe kunoita kuti zvizvarwa zvemuno zviri munyika iyi zvidzoke kumusha .