Assume that HKD company (a US, taxpayer) has a subsidiary located in Zimbabwe. The income tax rate in the U.S is 21%, Zimbabwe is 30%, witholding tax rate in Zimbabwe is 10%. What is the effective tax rate of Zimbabwe? Is Zimbabwe a tax haven? Multiple Choice 10%. No, it is not a tax haven. 37\%. Yes, it is a tax haven, 10\%. Yes, it is a taxhaven