n o t e s t o c o n s o l i d a t e d f i n a n c i a l s t a t e m e n t s ( continued ) ace limited and subsidiaries the following table shows changes in the company 2019s restricted stock for the years ended december 31 , 2008 , 2007 , and 2006 : number of restricted stock weighted average grant- date fair value .

number of restricted stock: unvested restricted stock december 31 2005: 3488668
granted: 1836532
vested and issued: -1403826
forfeited: -371183
unvested restricted stock december 31 2006: 3579189
unvested restricted stock december 31 2007: 3821707
unvested restricted stock december 31 2008: 3883230
weighted average grant- date fair value: unvested restricted stock december 31 2005: 41.26
granted: 59.84
vested and issued: 50.96
forfeited: 53.75
unvested restricted stock december 31 2006: 48.07
unvested restricted stock december 31 2007: 53.12
unvested restricted stock december 31 2008: 57.01

under the provisions of fas 123r , the recognition of deferred compensation , a contra-equity account representing the amount of unrecognized restricted stock expense that is reduced as expense is recognized , at the date restricted stock is granted is no longer permitted . therefore , upon adoption of fas 123r , the amount of deferred compensation that had been reflected in unearned stock grant compensation was reclassified to additional paid-in capital in the company 2019s consolidated balance sheet . restricted stock units the company 2019s 2004 ltip also provides for grants of other awards , including restricted stock units . the company generally grants restricted stock units with a 4-year vesting period , based on a graded vesting schedule . each restricted stock unit repre- sents the company 2019s obligation to deliver to the holder one share of common shares upon vesting . during 2008 , the company awarded 223588 restricted stock units to officers of the company and its subsidiaries with a weighted-average grant date fair value of $ 59.93 . during 2007 , 108870 restricted stock units , with a weighted-average grant date fair value of $ 56.29 were awarded to officers of the company and its subsidiaries . during 2006 , 83370 restricted stock units , with a weighted-average grant date fair value of $ 56.36 were awarded to officers of the company and its subsidiaries . the company also grants restricted stock units with a 1-year vesting period to non-management directors . delivery of common shares on account of these restricted stock units to non-management directors is deferred until six months after the date of the non-management directors 2019 termination from the board . during 2008 , 2007 , and 2006 , 40362 restricted stock units , 29676 restricted stock units , and 23092 restricted stock units , respectively , were awarded to non-management direc- the espp gives participating employees the right to purchase common shares through payroll deductions during consecutive 201csubscription periods . 201d annual purchases by participants are limited to the number of whole shares that can be purchased by an amount equal to ten percent of the participant 2019s compensation or $ 25000 , whichever is less . the espp has two six-month subscription periods , the first of which runs between january 1 and june 30 and the second of which runs between july 1 and december 31 of each year . the amounts that have been collected from participants during a subscription period are used on the 201cexercise date 201d to purchase full shares of common shares . an exercise date is generally the last trading day of a sub- scription period . the number of shares purchased is equal to the total amount , as of the exercise date , that has been collected from the participants through payroll deductions for that subscription period , divided by the 201cpurchase price 201d , rounded down to the next full share . effective for and from the second subscription period of 2007 , the purchase price is 85 percent of the fair value of a common share on the exercise date . prior to the second subscription period of 2007 , the purchase price was calculated as the lower of ( i ) 85 percent of the fair value of a common share on the first day of the subscription period , or .

Questions:
what is the net impact of granted and vested shares in the number of unvested restricted stocks in 2007?
what about the total impact of the forfeited shares are included?
what is the balance of unvested restricted stock as december 31 2008?
what about as of december 31 2007?
what is the net change during 2008?

Answers:
473304
242518
3883230
3821707
61523