Alex smith rents storage space to college students who go home for the summer but do not want to haul all of their property home and back. the business is profitable during the summer months, but when the storage space is unoccupied in the off-season, alex loses money. which of the following characteristics of service is most likely the source of alex's problem?
a) intangibility
b) perishability
c) inconsistency
d) variability
e) inseparability

You wish to retire in 13 years, at which time you want to have accumulated enough money to receive an annual annuity of $23,000 for 18 years after retirement. during the period before retirement you can earn 9 percent annually, while after retirement you can earn 11 percent on your money. what annual contributions to the retirement fund will allow you to receive the $23,000 annuity? use appendix c and appendix d for an approximate answer, but calculate your final answer using the formula and financial calculator methods.