Which one of the following items is most apt to be considered material non-public information? Assume that none of this information is kno publicly O a. Barb knows that Sue, an accounting clerk, is planning on resigning on Friday O b. Linda knows a new receptionist has just been hired O c. Wendy knows that her firm's net income is continuing to increase at a steady rate. Od. Tracey knows her employer just received patent approval on a key new product. O e. Maria is the chief financial officer and knows the firm intends to maintain its current dividend policy