H&R Blockhas asked It Systems, a large app development firm, to help them build a system to manage their customers business better and help identify their top customers. This way H&R Block can send them promotions to incentivize them to come back every tax season

1. What kind of data can the system store that help them understand their customer better?
2. They have a large number of seasonal employees every year during tax season. Is there anything that system can enforce to minimize incorrect data entry on the customer?