Let S={apple,banana}S = \{\text{apple}, \text{banana}\}S={apple,banana}. Which of the following is the correct power set P(S)P(S)P(S)?
{∅,{apple},{banana},{apple,banana}}\{\emptyset, \{\text{apple}\}, \{\text{banana}\}, \{\text{apple}, \text{banana}\}\}{∅,{apple},{banana},{apple,banana}}
{{apple},{banana}}\{\{\text{apple}\}, \{\text{banana}\}\}{{apple},{banana}}
{∅,apple,banana}\{\emptyset, \text{apple}, \text{banana}\}{∅,apple,banana}
{{apple,banana}}\{\{\text{apple}, \text{banana}\}\}{{apple,banana}}