The country of Old York produces milk and butter, and it has published the following macroeconomic data, where quantities are in gallons and prices are dollars per gallon.

2003

2004

Good

Quantity

Price

Quantity

Price

Milk

500

$2

900

$3

Butter

2000

$1

3000

$2

Between 2003 and 2004, the percent change in real GDP (based on 2003 as a base year) was

Question 14 options:

190%

60%

130%

58%