Need simple coding, comments and explanation for two tasks in C and Java respectively - in 12 hours

Here is the first task that I need your help with, it is using C programming and Java programming. Very easy tasks. Here are the details: [login to view URL] Deadline is in 12 hours and I want to know what is the best price that you can provide for it. Comments are needed on each line of coding so that the client can understand what the code does. Also need one paragraph each of writing (for each homework 3 and homework 4) which explains how the code works. Please let me know whether you can do it and what is the best price that you can provide for it