



 
Hi Mike, Costs have gone up from 2001 to 2008 and the competition is stiffer. I was just offer a sales position at a base salary of $28,000 with a 30% commission rate. My mortgage payments and other expenses mean that I need to earn $70,000 annually so I need to clear $70,000  $28,000 = $42,000 in commissions. That means I have to sell enough so that 30% of the sales is $42,000, which means
Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 