Total on RDLC Reprot

Hi All,

i am not able to get total in NAV 2013,please help me

Tech Code Call ID TechName ResponeTime Productivity hours

TEC001 CD0001 ABC 30 days 21 hours 55 minutes 50 seconds 48 Minitues

CD0002 Bcd 10 days 1 hours 55 minutes 40 seconds 20 Minitues

CD0003 XXX 40 days 21 hours 55 minutes 50 seconds 10 Minitues

Total how to get total Respone Time & Productivity time