At the opening of a trading day at a certain stock exchange, the price per share of stock K was $15. If the price per share of stock K was $16 at the closing of the day, what was the percent increase in the price per share of stock K for that day?	Choose the correct answer
A) 1.4%
B) 5.9%
C) 11.1%
D) 6.67%
E) 23.6%
Opening = 15   Closing = 16   Rise in price = 1   So, percent increase = 1/15* 100 = 6.67   Answer : 6.67%
<result>D</result>
At the opening of a trading day at a certain stock exchange, the price per share of stock K was $15. If the price per share of stock K was $16 at the closing of the day, what was the percent increase in the price per share of stock K for that day?