please answer asap will give a good rating

The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers (and use an incentive of $50 worth of downloads to guarantee a high response rate) asking for demographic information. One of the variables is the customer's age. For the 25 customers, the ages are shown to the right. Comple parts (a) through (c) a) Find the quartiles Q1 = and 03= (Type ktegers or decimals. Do not round.)