At kulekhani-1 hudro power station water flows from sarowar into the lake as shown in the diagram generally 780.000 kg of water flows into the turbines every minute of 85% what is the output power of the turbines? (a)71mw (b)60mw (c)4.2mw (d)3.6mw​

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

c. magnitude and direction