MATH 1LS3 Chapter 4.4: Textbook 4.4

Mike purchased furniture for $8,400 and received an invoice dated February 5, 2017, with terms 2.5/10, n/30. He made a partial payment of $3,600 on February 10, 2017, and the balance on February 20, 2017. What was the balance?

Mike purchased furniture for $8,400 and received an invoice dated February 5, 2017, with terms 2.5/10, n/30. He made a partial payment of $3,600 on February 10, 2017, and the balance on February 20, 2017. What was the balance?