Krasna Coffee is a new high end coffee roaster in Slovakia that sells 1kg bags of beans through independent coffee shops. The bags of roasted beans retail for 13 Euros and Krasna receives 7.26 Euros for per bag, which costs 3.98 Euros per bag to produce and deliver. In their first year of business they sold 20,255 bags, primarily in the capital of Bratislava, and spent 64,816 Euros on local advertising and promotion. Krasna has one employee focused on marketing and sales whose salary and expenses are 41,996 Euros / year. Based on feedback from the channel and the salesperson, Krasna estimates that the average customer purchased one bag of coffee every other month. If Krasna assumes that the vast majority of customers started purchasing their coffee from the beginning of the year, approximately how many customers did Krasna acquire in their first year of business