Given the task definition and input, reply with output. The task is to generate the correct answer for a given math problem.

Problem: it is decided to construct a 2 metre broad pathway around a rectangular plot on the inside . if the area of the plots is 96 sq . m . and the rate of construction is rs . 50 per square metre . , what will be the total cost of the construction ?
insufficient data', 'd ) rs . 4400', 'e ) none of these'