Modify this program so that it writes the values in two columns, like this:

$32\mathrm{.}0054\mathrm{.}00$

$67\mathrm{.}5029\mathrm{.}00$

$35\mathrm{.}0080\mathrm{.}00$

$115\mathrm{.}0044\mathrm{.}50$

$100\mathrm{.}0065\mathrm{.}00$

Total: $622\mathrm{.}00$

#include

#include

#include

#include

using namespace std;

int main$()$

$\{$

$//$ Prompt for the input and output file names

cout $$ "Input file: $"$ endl;

string input$\_$file; cin $>>$ input$\_$file;

cout $$ "Output file: $"$ endl;

string output$\_$file; cin $>>$ output$\_$file;

$//$ Construct the streams for reading and writing

ifstream in$($input$\_$file$)$;

ofstream out$($output$\_$file$)$;

$//$ Check for errors and format the output stream

if $($in$.$fail$()||$ out.fail$())\{$ return $-1$; $\}$

out $$ fixed $$ setprecision$(2)$;

$//$ Read the input and write the output

double total $=0$;

double value;

while $($in $>>$ value$)$

$\{$

out $$ setw$(15)$ value $$ endl;

total $=$ total $+$ value;

$\}$

out $$ "Total: $"$ setw$(8)$ total $$ endl;

return $0$;

$\}$