Annual sales, in millions of dollars, for pharmaceutical companies follow. Annual Sales ($ million)8,1561,3331,8178,6132,38511,07159114,1386,2581,7952,7331,31510,1837,2543,8994,2117172,0633,5435,6208,057 a. Provide a five-number summary (in millions of dollars). Smallest value First quartile (to decimal)Median Third quartile (to decimal)Largest value b. Compute the lower and upper limits (in millions of dollars) (to decimals). If required, enter negative values as negative numbers. Lower limit Upper limit