Calculate real GDP in 2021, using 2020 as the base year. Good Consumer goods Capital goods Price $1 $2 2020 Quantity 3 3 Price $2 $4 2021 Quantity 1 2 Calculate real GDP in 2021, using 2020 as the base year. Good Consumer goods Capital goods Price $1 $2 2020 Quantity 3 3 Price $2 $4 2021 Quantity 1 2