C++

minds. if something is not clear, state a reasonable assumption and answer the question or check with thee tructor. No extra paper needed. Each question is worth the stated points, which is based on how many minutes it should take and how importont it is. Total 100. complete Programs and Functions Write complete programs or functions as asked. No comments are needed. These programs and functions will be graded for syntax, semantics, and programming style. Put your answers on the back numbering each answer (20] Write a complete program that will ask the user how man will then open the file sales.txt, and will read all keyboard-entered sales and followed by sales total, separated by spaces. No validation of any sort needed. Sales are with d y sales amounts the user has. The program write them to the file, ollars and 1. cents // Example run Give the number of sales: 3 Give the 3 sales: 120.55 20.55 70.99 At the end, the above 3 sales followed by total 212.09 are written in the file sales.txt 12] Write a function prototype and definition for function together ( that takes two string rguments and returns a string that is the concatenation of the two arguments. For example, when alled with out