Ned’s Sheds purchases building materials from Timbertown Lumber for $3700 with terms of 4/10, 2/15, n/30. The invoice is dated October 17.

a) List the time periods, as well as the payment and percent discount for each period.
b) On November 1, a partial payment of $2000 was made. How much will be credited?
c) What is the remaining balance?