cdw corporation and subsidiaries notes to consolidated financial statements holders of class b common units in connection with the distribution is subject to any vesting provisions previously applicable to the holder 2019s class b common units . class b common unit holders received 3798508 shares of restricted stock with respect to class b common units that had not yet vested at the time of the distribution . for the year ended december 31 , 2013 , 1200544 shares of such restricted stock vested/settled and 5931 shares were forfeited . as of december 31 , 2013 , 2592033 shares of restricted stock were outstanding . stock options in addition , in connection with the ipo , the company issued 1268986 stock options to the class b common unit holders to preserve their fully diluted equity ownership percentage . these options were issued with a per-share exercise price equal to the ipo price of $ 17.00 and are also subject to the same vesting provisions as the class b common units to which they relate . the company also granted 19412 stock options under the 2013 ltip during the year ended december 31 , 2013 . restricted stock units ( 201crsus 201d ) in connection with the ipo , the company granted 1416543 rsus under the 2013 ltip at a weighted- average grant-date fair value of $ 17.03 per unit . the rsus cliff-vest at the end of four years . valuation information the company attributes the value of equity-based compensation awards to the various periods during which the recipient must perform services in order to vest in the award using the straight-line method . post-ipo equity awards the company has elected to use the black-scholes option pricing model to estimate the fair value of stock options granted . the black-scholes option pricing model incorporates various assumptions including volatility , expected term , risk-free interest rates and dividend yields . the assumptions used to value the stock options granted during the year ended december 31 , 2013 are presented below . year ended december 31 , assumptions 2013 .

Table: assumptions year ended december 31 2013 weighted-average grant date fair value $ 4.75 weighted-average volatility ( 1 ) 35.00% ( 35.00 % ) weighted-average risk-free rate ( 2 ) 1.58% ( 1.58 % ) dividend yield 1.00% ( 1.00 % ) expected term ( in years ) ( 3 ) 5.4

expected term ( in years ) ( 3 ) . . . . . . . . . . . . . . . . . . . . . . . . . 5.4 ( 1 ) based upon an assessment of the two-year , five-year and implied volatility for the company 2019s selected peer group , adjusted for the company 2019s leverage . ( 2 ) based on a composite u.s . treasury rate . ( 3 ) the expected term is calculated using the simplified method . the simplified method defines the expected term as the average of the option 2019s contractual term and the option 2019s weighted-average vesting period . the company utilizes this method as it has limited historical stock option data that is sufficient to derive a reasonable estimate of the expected stock option term. .

Question: as of dec 13 , 2013 , if all forfeited shares became vested , what percentage of shares would be vested?
Answer: 31.7%
Calculation: divide(add(5931, 1200544), 3798508)
Explanation: add forfeited shares to vested shares , then divide by total shares