CHEGG While Citibike cannot do anything about the weather, it can promote use of its bikes to target groups when different types of weather events occur. Does the past data provide any guidance to the marketing team regarding what types of weather place greater demand on Citibike usage? Are there differences based on routes/customer type/etc?

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.