The Credit Card Processing unit of a bank receives 60 applications per hour. All applications first go through application processing that takes 6 minutes per application. There are 4 workers in the unit who process the applications. After the application is processed, all applications go through the credit check stage which takes 10 minutes per application. There are 6 workers at this stage. 20% of the applications fail the credit check and are rejected. Remaining 80% of applications that pass the credit check are sent for determining credit limit. There are 6 workers at the Determine credit limit stage, and it takes 15 minutes for a worker to process one application. After the credit limit is determined, all applications are sent to the issuing desk, who issue the credit card, and it takes 3 minutes per application.
What is the capacity of the "Credit Check" stage in number of applications per hour?