Which of the given recommend that supply is most price elastic: (1) a pay hike from $400 to $800 monthly raises military enlistees from 12,000 to 28,000 monthly. (2) A 20% increase in goat milk production follows a 40% increase in the price of cow milk. (3) Per bushel wheat prices decrease from $8 to $5; and production drops from 460 to 340 million tons. (4) Income rises from $2,500 to $3,500 and auto sales rise from 6 to 18 million per annum. (5) Custom SUV sales in Patagonia climb from 1,800 to 2,400 yearly when prices increase from $6 to $9 each.
Please choose the right answer from above...I want your suggestion for the same.