Question : Rahul, a worker is given target of assembling two computer per day. Due to his habit of doing things differently, an idea stuck him which would not only reduce the assembling time of computers but would also reduce the cost of production of computer. Rahul's supervisor instead of appreciating him, ordered him to complete the work as per the method and technique decided earlier as nothing could be change at this stage. 
The above para describes one of the limitation of planning function of management. Name that limitation?

Option 1: Planning reduces creativity

Option 2: Planning may not work in a dynamic environment 

Option 3: Planning leads to rigidity 

Option 4: Planning is a time consuming process