15. Ritter's study of Initial Public Offerings (IPOs) showed that the post offering stock performance was: A. less than the control group by about 2% in the five years following the IPO. B. incorrectly priced at issuance because over the next five years the abnormal returns were greater than zero on average. C. immaterial to the pricing of the IPO because future market performance is unknown at issuance. D. equal across IPOs, irrespective of risk or which year they were issued. E. All of these.

Abenefit of using a debit or credit card instead of cash is that it provides a paper record of a purchase. looking at the purchases below, which one should be made using a credit or a debit card?

Vintage fun reproduces oldminusfashioned style roller skates and skateboards. the annual production and sales of roller skates is 950 units, while 1,750 skateboards are produced and sold. the company has traditionally used direct labor hours to allocate its overhead to products. roller skates require 2.5 direct labor hours per unit, while skateboards require 1.25 direct labor hours per unit. the total estimated overhead for the period is $114,300. the company is looking at the possibility of changing to an activityminusbased costing system for its products. if the company used an activityminusbased costing system, it would have the following three activity cost pools: the overhead cost per skateboard using the traditional costing system would be closest to: a. $9.31. b. $65.31. c. $25.05. your answer is not correct. d.

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.