What is the difference between nominal GDP and real GDP$?$

A$.$ Nominal GDP is the total value of output produced while real GDP is the amount per individual.

B$.$ Nominal GDP represents purchasing power while real GDP is measured in terms of current dollars.

c$.$ Nominal GDP is measured in current market prices while real GDP corrects for changes in the overall level of prices from year to year.

D$.$ Nominal GDP is computed by using the expenditure approach while real GDP is computed by using the income approach.