Direction: The following chart shows the price of a share of HDFC Bank (in Rs.) on six days of the week from Monday to Saturday. The ceiling and floor of the line depicts the maximum and minimum prices respectively of a share throughout the day. The ceiling and floor of the box depicts opening price and closing price respectively for black box and the opposite in the case of white box. Buying and selling of shares of HDFC Bank is done on a trading platform, which charges a particular fee depending on the number of shares of HDFC Bank sold or bought.

Note: If the number of shares bought or sold is less than 15, a charge of 20% extra per share has to be paid while buying and while selling, 20% per share of the earning is deducted. For transaction of 15 or more shares, the same rules apply, but the rate is 10%.