The firm's days sales outstanding is 37.2 days.
Days sales outstanding refers to the average number of days its takes a firm to receive the payment for a sale done.
Days sales outstanding = 18 days*40% + 50 days*60%
Days sales outstanding = 7.2 days + 30 days
Days sales outstanding = 37.2 days
Therefore, the firm's days sales outstanding is 37.2 days.
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