Each of the following has a statement structured in four different ways. Select the one which is concise, precise and is grammatically correct.
Correct Answer : C
1. The decision of the organized pharma sector to stop freebies to doctors is welcome
2. Lowering the cost of treatment is not possible as long as a doctor-industry nexus continues,and any control of costs is welcome
3. Whether voluntary restraint can be expected of all manufacturers is a matter of debate
4. Price control is bound to impair a manufacturer's ability to invest in innovation