human
2 0 0 8 a n n u a l r e p o r t stock performance graph the following graph sets forth the performance of our series a common, series b common stock, and series c common stock for the period september 18, 2008 through december 31, 2008 as compared with the performance of the standard and poor 2019s 500 index and a peer group index which consists of the walt disney company, time warner inc., cbs corporation class b common stock, viacom, inc. class b common stock, news corporation class a common stock, and scripps network interactive, inc. the graph assumes $100 originally invested on september 18, 2006 and that all subsequent dividends were reinvested in additional shares. september 18, september 30, december 31, 2008 2008 2008.
|  | September 18,   2008 | September 30,   2008 | December 31,   2008 |
| --------- | --------- | --------- | --------- |
| DISCA | $100.00 | $103.19 | $102.53 |
| DISCB | $100.00 | $105.54 | $78.53 |
| DISCK | $100.00 | $88.50 | $83.69 |
| S&P 500 | $100.00 | $96.54 | $74.86 |
| Peer Group | $100.00 | $92.67 | $68.79 |
s&p 500 peer group.
Please answer the following question with expressions if necessary.
which price, then, was greater at december 31: the s&p 500 or the disck one?
assistant
greater(83.69, 74.86)