“Before solving the riddle of the Assistant tellers we must focus first on who is not the 2nd stenographer.”
We know Miss Hill went looking for a stenographer. Married woman can not be the 2nd stenographer, both Mrs. Brown and Mrs. Kane. That leaves Miss Dale.
“So Watson what does Y.U.S stand for?”
“Yesterday’s Utilitarian Service?”
“Hardly, Young Unmarried Set”
“Miss Hill was lunching with Mr. Adams.”
“Which removes her from possible Teller positions”
“Leaving that post to Mrs. Kane.”
“Mrs. Brown is 1st stenographer.”
“Miss Hill is the 2nd vice president
“And Mr. Grant is the 1st vice president”