Indian Space Research Organisation (ISRO) and Jet Propulsion Laboratory (JPL) of NASA are working on world’s most expensive earth-imaging satellite to use dual frequency. Its name is ______
If hiring an extra worker increases a factory's output from 1000 to 1200 units per day, but the factory has to reduce the price of its product from Rs. 25 to Rs. 24 per unit to sell the additional output, the marginal revenue product of the last worker is