Accounts receivable turnover and days' sales in receivables

For two recent years, Robinhood Company reported the following:

a$.$ Determine the accounts receivable turnover for $20Y9$ and $20Y8.$ Round your answers to one decimal place.

$20$Y$8$:

$20$Y$9$:

$20$Y$8$:

days

$20$Y$9$:

days

c$.$ Are the changes in the accounts receivable turnover and days' sales in receivables from $20Y8$ to $20Y9$ favorable or unfavorable?