A company uses the direct method to present operational activities. The cost of goods sold for 2021 was $ 340,000. Ending inventory was $ 60,000 greater than beginning inventory. The accounts payable balance on December 31, 2021 was $ 20,000 greater than the balance on January 1, 2021. The amount of cash paid to suppliers was:

a. $420,000

b. $260,000

c. $380,000

d. $300,000