Write the one cout declaration with tendency manipulators to do each of the following: a. Display the compute 34.789 in a arena of six spaces with brace decimal places of preciseness. b. Display the compute 57.0 in a arena of five spaces with three decimal places of preciseness. The decimal sharp-end and any grafting zeroes should be displayed. c. Display the compute 5.789e + 12 in unwandering sharp-end notation with 2 decimal places. d. Display the compute 67 left justified in a arena of seven spaces.