4. A shop is having a five-day sale. on Monday, the price will drop by previous day's price. For example price of a product is $20, then the Monday would be $18 (that's 10% original price), and on Tuesday it (that's 10% less than Monday's p Develop a solution that will calcul item for each of the five days, giv price. Test the solution for an item points) Your solution should include: -PAC -Algorithm You will need a "for loop" that iterates each iteration, the item price will be u the sale amount.