Answer: 1. statement d
2. statement d
Explanation: This can be explained as follows :-
1.Government intervention should be done on those sectors that results in maximization of wealth. Private sector is the back bone of every economy's free market, thus, protecting private property is the correct option.
.
2. Issuing patent right to the inventor will result in monopoly by that particular producer and that too of a necessary commodity hence option d is correct.