how would I go about this question?

Assume selected financial data for Sun Health Group and Select Medical Corporation, two companies in the health-care industry, are as follows: Required: 1-a. Calculate the receivables turnover ratio and average collection period for Sun Health and Select Medical. 1-b. Which company maintains a higher receivables turnover? Calculate the receivables turnover ratio and average collection period for Sun Health and Select Medical. (Enter dollar amounts in millions, and for denominators, to 1 decimal place.)