for 2007 , what was thee average quarterly high stock price?
part ii item 5 . market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities the following table presents reported quarterly high and low per share sale prices of our class a common stock on the new york stock exchange ( 201cnyse 201d ) for the years 2007 and 2006. .

| 2007 | High | Low |
| :--- | :--- | :--- |
| Quarter ended March 31 | $41.31 | $36.63 |
| Quarter ended June 30 | 43.84 | 37.64 |
| Quarter ended September 30 | 45.45 | 36.34 |
| Quarter ended December 31 | 46.53 | 40.08 |
| 2006 | High | Low |
| Quarter ended March 31 | $32.68 | $26.66 |
| Quarter ended June 30 | 35.75 | 27.35 |
| Quarter ended September 30 | 36.92 | 29.98 |
| Quarter ended December 31 | 38.74 | 35.21 |

on february 29 , 2008 , the closing price of our class a common stock was $ 38.44 per share as reported on the nyse . as of february 29 , 2008 , we had 395748826 outstanding shares of class a common stock and 528 registered holders . dividends we have never paid a dividend on any class of our common stock . we anticipate that we may retain future earnings , if any , to fund the development and growth of our business . the indentures governing our 7.50% ( 7.50 % ) senior notes due 2012 ( 201c7.50% ( 201c7.50 % ) notes 201d ) and our 7.125% ( 7.125 % ) senior notes due 2012 ( 201c7.125% ( 201c7.125 % ) notes 201d ) may prohibit us from paying dividends to our stockholders unless we satisfy certain financial covenants . the loan agreement for our revolving credit facility and the indentures governing the terms of our 7.50% ( 7.50 % ) notes and 7.125% ( 7.125 % ) notes contain covenants that restrict our ability to pay dividends unless certain financial covenants are satisfied . in addition , while spectrasite and its subsidiaries are classified as unrestricted subsidiaries under the indentures for our 7.50% ( 7.50 % ) notes and 7.125% ( 7.125 % ) notes , certain of spectrasite 2019s subsidiaries are subject to restrictions on the amount of cash that they can distribute to us under the loan agreement related to our securitization . for more information about the restrictions under the loan agreement for the revolving credit facility , our notes indentures and the loan agreement related to the securitization , see item 7 of this annual report under the caption 201cmanagement 2019s discussion and analysis of financial condition and results of operations 2014liquidity and capital resources 2014factors affecting sources of liquidity 201d and note 3 to our consolidated financial statements included in this annual report. .

average_quarterly_high = (41.31 + 43.84) + 45.45 + 46.53
answer = average_quarterly_high / 4