The Polleys want to put in a swimming pool next summer. They need to save $6,000 over 12 months in order to achieve this goal. They set aside the same amount each month and after 7 months discovered they have saved $3,100. The Polleys know that they must adjust their plan in order to meet their goal, so they come up with the following options: Option A: Save the original amount for each month but put the pool in one month later than originally planned. Option B: Increase savings for each month by $100 from their original plan. Which of the following statements is true?