The output per person per hour, per day, or per dollar of wages is called:

This is basically the rate (per unit)

Only option B has the sense of rate, therefore I will say 'option B'.

B.................................................................................................

sevice productivity is right ........................................

............................ b. service productivity.

answer B ________ serive productivity

I would go with option ------------B

B.............................................

My answer is option (B) Service productivity

Answer option ______________b

I Agree with Mr, Emad Mohammad.

>>>>>>>>>>  b. service productivity. >>>>>>>>>>>>>>