Suppose peas are planted in Indiana on May 1. If the peas need 1100 growing degree days before they can be picked, and if the average maximum temperature for May and June is 80°F and the average minimum is 65°F, on about what date will the peas be ready to pick? (Assume a base temperature of 40°F.)

a. May 30
b. June 9
c. June 29