1. Input the target rate as command line argument and compute the total commission as follows: Total commission = ( total sale × 0.2 × target rate ) + cash flow. Cash flow is a constant.
  2.  Input the source file and destination file name as command line arguments and print the following message to standard 
    3.                         output: “Copy the details in <file name1> to <file name2>  at 23.59.59”

                                    Answer click here.