Answer:
Option A
Explanation:
Number of components assembled by the new employee per day,
N(t) =
Number of components assembled by the experienced employee per day,
E(t) =
Difference in number of components assembled per day by experienced ane new employee
D(t)= E(t) - N(t)
D(t) =
=
=
=
=
Therefore, Option A will be the answer.