Why are the gift and estate taxes called wealth transfer taxes?\ A.\ Gift and estate taxes are levied when a transfer of wealth (property) takes place and are based on the original purchase price of the transferred property.\ B.\ Gift and estate taxes are levied when a transfer of wealth (property) takes place and are part of the unified transfer tax system.\ C.\ Gift and estate taxes are both imposed on the donee, freeing the donor from paying taxes on the property.\ D.\ Gift and estate taxes are both imposed on the income of wealthy individuals