Shell Programming and Scripting

hi all i need to add the prinf statement in awk command for the converted comma separated output....
below is my code :
Code Credits :RudiC

Code:

awk -F, 'NF==2  {next}
                {ITM[++c]=$1
                 AMT[c]=$2+0
                 CNT[c]=$3+0
                 TOTA+=$2
                 TOTC+=$3}
         END    {for (i=1;i<=c;i++) print "amount " ITM[i] ":" AMT[i]
                 for (i=1;i<=c;i++) print " count " ITM[i] ":" CNT[i]
                 print "total amount:" TOTA
                 print "total count:" TOTC}
        ' file

the above gives the output of total amount as

Code:

total amount:1234.50

is it possibel to add the printf statement like

Code:

printf "%'.2f" TOTA

to get the total amount:1,234.50...?
while iam trying to add this to the awk command iam getting the following error
unexpected EOF while looking for matching `" '
Please guide me on this .. is it possibel to add the above printf statement to the above awk command..? if not please suggest me some solution...