Riya Saw a Box of Collector's Edition Comic Books at Fournotts

Multiple Choice

Riya saw a box of collector's edition comic books at Fournotts, a retail corporation. Each book was priced at $28.50, but a customer who bought five books was required to pay only $19.99 for each book. Riya bought one book and her friend bought five books. Fournotts' revenue from this purchase is _____.

A) $158.51
B) $19.99
C) $28.50
D) $128.45