on january XXXXXXXXXXbakery a had 40% of its local market share while the other two bakeries b and c had 40% and 20% respectively of the market share. based upon a study by a marketing research firm...

on january 1 2013 bakery a had 40% of its local market share while the other two bakeries b and c had 40% and 20% respectively of the market share. based upon a study by a marketing research firm the following facts were compiled. bakery a retains 90% of its customer while gaining 5% of competitors b's customers and 10% of c's customers. bakery b retains 85% of its customers while gaining 5% of a's customers and 7% of c's customers. bakery c retains 83% of its customers and gains 5% of a's customers and 10% of b's customers.