we have selected information from islecorp

as of dec. 31 balance sheet

accounts receivable 2020 - $220,00

2019 - $200,000

allowance for doubtful accts 2020 - <10,000>

2019 - <6,000>

net accounts recievable 2020 - $190,000

2019 -$174,000

income statement data 2020

net credit sales $900,000

net cash sales $300,000

net sale $1,200,000

what is 2020 accounts recievable turnover?

a. 4.95

b. 6.59

c. 5.71

d. 4.29