what percentage of the total number of shares purchased where purchased in november?
purchases of equity securities 2013 during 2018 , we repurchased 57669746 shares of our common stock at an average price of $ 143.70 . the following table presents common stock repurchases during each month for the fourth quarter of 2018 : period total number of shares purchased [a] average price paid per share total number of shares purchased as part of a publicly announced plan or program [b] maximum number of shares remaining under the plan or program [b] .

| Period | Total Number of Shares Purchased [a] | Average Price Paid Per Share | Total Number of Shares Purchased as Part of a Publicly AnnouncedPlan or Program [b] | Maximum Number of Shares Remaining Under the Plan or Program [b] |
| :--- | :--- | :--- | :--- | :--- |
| Oct. 1 through Oct. 31 | 6,091,605 | $158.20 | 6,087,727 | 32,831,024 |
| Nov. 1 through Nov. 30 | 3,408,467 | 147.91 | 3,402,190 | 29,428,834 |
| Dec. 1 through Dec. 31 | 3,007,951 | 148.40 | 3,000,715 | 26,428,119 |
| Total | 12,508,023 | $153.04 | 12,490,632 | N/A |

[a] total number of shares purchased during the quarter includes approximately 17391 shares delivered or attested to upc by employees to pay stock option exercise prices , satisfy excess tax withholding obligations for stock option exercises or vesting of retention units , and pay withholding obligations for vesting of retention shares . [b] effective january 1 , 2017 , our board of directors authorized the repurchase of up to 120 million shares of our common stock by december 31 , 2020 . these repurchases may be made on the open market or through other transactions . our management has sole discretion with respect to determining the timing and amount of these transactions. .

shares_repurchased = 3408467
shares_total = 12508023
percent_november = shares_repurchased / shares_total
answer = percent_november * 100