A shoe store offers a discount on the number of shoes purchased by the customer.If customers buy one pair of shoes, they receive no discount; two or three pairs ofshoes, they receive a discount of 10%; and more than three pairs of shoes, adiscount of 15%. In addition, if their purchases are greater than three pairs ofshoes and exceed $200, they receive a further discount of 5% (for a total discountof 20%). Construct a decision tree and a decision table to clarify this process.