Deepa rides her car at 25 km/hr.She has to spend 2 Rs per km on diesel and if she rides it at a faster speed of 40 km/hr, the diesel cost increases to 5 Rs per km. She has 100 Rs to spend on diesel. Let she travels x kms with speed 25 km/hr and y kms with speed 40 km/hr. The feasible region for the LPP is shown below.

Based on the above information answer the following questions
If Z=x+y be the objective function and max Z = 30 The maximum value occurs at point

Options

A. (50by3,40by3)
B. (0,0)
C. (25,0)
D. (0,20)