An Invoice for $50,000 Dated March 15 with Terms 3/10

An invoice for $50,000 dated March 15 with terms 3/10, 2/20, n/30, ROG was received in the mail on March 17. The shipment of goods was received on March 29. What payment would settle the invoice on April 9?

A) $48,500
B) $50,000
C) $49,500
D) $48,000
E) $49,000