can someone help me out with this problem? Why is the correct option c?

5. Smith Company started business on September 1. Smith had credit sales of $200,000 in September and $300,000 in October. The pattern for collection of cash from customers is expected to be 40% in the month of sale (subject to a 2% cash discount), 50% in the month following the month of sale, and 7% in the second month following the month of sale, with 3% uncollectible. How much cash did Smith Company receive from customers on account during October?

a . $120,000 c. $217,600 b. $117,600 d. $220,000