Jeff likes to grow zucchini. He has made a graph of the total number of zucchini his garden has produced this season, which can be seen below. A line graph titled Total Zucchini Produced has day in June on the x-axis and number produced on the y-axis. Day 1, 3; 3, 4; 5, 7; 7, 10; 9, 14; 11, 16; 13, 20; 15, 24; 17, 33; 19, 34; 21, 36; 23, 40. How many zucchini did Jeff's garden produce between June 9 and June 15? a. 10 b. 20 c. 24 d. 36