Annual sales, in millions of dollars, for  pharmaceutical companies follow.

8,576	1,401	1,910	9,057	2,508	11,641
621	14,138	6,581	1,887	2,874	1,383
10,708	7,628	4,100	4,428	754	2,170
3,726	5,910	8,472

a. Provide a five-number summary (in millions of dollars).

First quartile __________

Median___________

Third Quartile___________

Upper limit_____________

Lower Limit___________