I need some help with C++ im using The Atom program

3. Write a program that emulates a simple shopping cart. a. Calculate and display the subtotal,Ttax and total cost. b. Use a constant variable to set a fixed tax rate of 8.87 c. Use escape characters for column alignment. d. Display correct dollar values (2 decimal places, use cout precision) Align data using the iomanip library column width commands. xample Output (input in bold italics) Shopping Cart Cost of first item: $5.34 Cost of second item: $41.00 Cost of third item: $22.05 Subtotal: $68.39 Tax: $6.07 Total: $74.46