An economy has two goods, beer and pretzels. The following two tables list the prices and quantities for 2020 and 2021 along with nominal GDP, real GDP, and the GDP deflator.
Year Good Price Quantity
2020 Beer $4.00 2000
Pretzels $3.00 ??
2021 Beer $4.50 2500
Pretzels ?? 6000
Year Nominal GDP Real GDP GDP Deflator (2020=100)
2020 $23,000.00 $23,000.00 100
2021 ?? $28,000.00 120.59
How many pretzels were sold in 2020?