Rosie O'Grady's spends $98,000 a week to pay bills and maintains a lower cash balance limit of $75,000. The standard deviation of the disbursements is $12,200. The applicable interest rate is 4.36 percent and the fixed cost of transferring funds is $38. What is the total cost of holding cash based on the BAT model?
a.$4,432
b.$3,862
c.$2,054
d.$4,911
e.$4,109

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.