A Lawn Maintenance Company Compares Two Ride-On Mowers - the Excelsior

A lawn maintenance company compares two ride-on mowers - the Excelsior, which has an expected working-life of six years, and the Grassassinator, which has a working life of four years. After examining the equivalent annual annuities of each mower, the company decides to purchase the Excelsior. Which of the following, if true, would be most likely to make them change that decision?

A) The prices of equivalent mowers are expected to grow in the future as lawnmower manufacturers consolidate.
B) Fuel prices are expected to rise and raise the annual running costs of all mowers.
C) The mower is only expected to be needed for three years.
D) The number of customers requiring lawn-mowing services is expected to sharply increase in the near future.