Question 2. (30 points) A supermarket wants to keep statistical data about itscustomers. For that purpose, they want you to write the following java program: (10 pts.) In this first part your code will prompt the cashier to enter all names and prices. Your code will take names to a string array list and prices to double array list. (Hint: Because of a Java bug, you may need to use two scanner objects, one for string and charinput, and one for double input) (10 pts. Write a method to calculate the average, and standard deviation of the customer prices. This method takes the prices as input and prints the average and standard deviation. Average = (pricel + price2 + ... +priceN)/N (Total number of customers). Standard deviation = sqrt (pricel - average) + (price2 - average)2 + ..+(priceN- average)2/N (Total number of customers)). (10 pts.) Sort customer names alphabetical order (from "A" to "Z"). Do not forget to change their prices position according to new ordering