this is all that was given, units sales per month is noth mentioned. i took the screen shot of the question

The Seducer Corporation is considering a change in its cash-only policy. the new terms would be net one period. the required return is 2.5 percent per period. What is the break-even quantity for the new credit policy? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)