Gerald needs to purchase baseballs and bats for his youth baseball league. He'll need at least 25 pieces of equipment, but he only has $615 to spend. Baseballs cost $20 each and bats cost $35 each. If Gerald wants to purchase the largest amount of equipment and still stay within his budget which combination of baseballs and bats is optimal?
A: (22, 3)
B: (22, 5)
C: (24, 1)
D: (29, 1)