Lumina Inc. sells desk lamps for $85 each. The variable cost per lamp is $29 and the fixed cost per year is $23,000. Creating a lamp requires an initial investment in equipment of $150,000 which has a life span of five years. What is the economic or NPV break-even number of books that must be sold each year given a discount rate of 12 percent?

A. 1374

B. 1562

C. 1154

D. 1492