"Lisa is paid a monthly graduated commission of 5.5% of the first $9,000 in net
sales, 6.5% of the next $4,000, and 7.25% of net sales in excess of $13,000.
What were Lisa's gross earnings for the month? 21. Linda Roberts is employed
as a ..."
Game Theory(2nd Edition) An Introduction (Wiley Series in Operations Research and Management Science) by E. N. Barron Hardcover, 574 Pages, Published 2013 by Wiley ISBN-13: 978-1-118-21693-4, ISBN: 1-118-21693-8