Subtract number of emigrants from number of immigrants per 1000 people?

Type youA.BirthrateSubtract total number of deaths and emigrants from total number of births and immigrants per 1,000 peopleB.Fertility rateNumber of births per 1,000 people per yearC.Migration rateSubtract number of emigrants from number of immigrants per 1,000 peopleD.Growth rateAverage number of children women have in a lifetime