Kevin works for a company that produces printers. A printer sells for $163.95 and costs $48.28 to produce. In one month, Kevin's company sold 427 printers, earning a profit of $22,599.09. How great were the company's non-production overhead expenses, to the nearest dollar?
a) $13,410
b) $20,616
c) $24,809
d) $26,792