2. Design a class named Stock that contains: a. AString data field named "symbol" for the stock's symbol b. Astring data field named "name" for the stock's name C. A double data field named previousclosingPrice" that stores the stock price for the previous day. d. A double data field named "currentPrice" that stores the stock price for the current time. e. A constructor that creates a stock with a specified symbol and name. f. Accessor methods for all data fields. g. Mutator methods for previousClosingPrice and currentPrice. h. A method named changePercent() that returns the percentage change from previousClosingPrice to currentPrice. Draw a UML class diagram for this class. Implement the class. Write a test program that creates a Stock object with the stock symbol "GOOG", the name "Google Inc", and a previous closing price of 100. Set the new current price to 90 and display the price- change percentage