Isaac Co Sells Merchandise on Credit to Sonar Co in the the Amount

Multiple Choice

Isaac Co. sells merchandise on credit to Sonar Co in the amount of $5,700. The invoice is dated on April 1 with terms of 1/15, net 45. What is the amount of the discount and up to what date must the invoice be paid in order for the buyer to take advantage of the discount?

A) $114, April 15
B) $114, April 16
C) $57, April 15
D) $57, April 16