1:
GSTFEE: IIf ([payableto] = " kweker " en [Settlementdate] <7/1/2010, Ronde (((([PROV]) + ([NBFEE]))*0.05), 2), 0), IIf ([payableto] = " kweker " en [Settlementdate] >7/1/2010, Ronde (((([PROV]) + ([NBFEE]))*0.13), 2), 0)