In c++ with output

You are to use Linked Lists to do this program The "XYZ Widget Store" receives shipments of widgets at various costs. The store's policy is to a 30% markup, and to sell widgets which were received earlier before widgets Write a program using linked lists that reads in 3 types of input data and does the following A sales record which contains an "S" in column 1 and a quantity which represents the number of A receipt record which contains an "R" in column 1 and a quantity and a price which represents A promotion card which contains a "P" in column 1 and a number such as 25 which would charge received later. This is called a First In First Out policy (FIFO) which were widgets sold he receipt of a quantity of widgets at the stated cost per widget represent a 25% discount to the next 2 buying customers (the next 2 sales cards) The program should.. Print a message after each receipt record is read in with the price of the widgets received. Print a message after each promotion card is read in with the amount of discount the next two customers will be receiving After a sales record is read in, print a message stating the number sold and the price of each widget and total price of the order. For example if 200 widgets were sold and there were 50 widgets at $1.00 and 100 at $2.00 and 50 at$3.00 print (recall the 30% markup and the FIFO polo) 200 Widgets sold 50 at 1.30 each 100 at 2.60 each 50 at 3.90 each Sales: $65.00 Sales: $260.00 Sales: $195.00 Total Sales: $520.00 If there are insufficient number of widgets in stock to fill an order sell as many as are available and then print.. "remainder of xx Widgets not available" Do not forget the promotional discount At the end of the data before exiting the program print out under a separate heading the widgets still left in stock and their original purchase price