Which of the following statements are correct? The number of elseif's needed in the if-elseif-else structure for calculating the downtown parking shown in the figure below is 2. For ordering of computation in an expression with multiple operators, logical operators are computed after the relational operators For loops and while loops are interchangeable and there is no difference between the two. Switch-case-otherwise programming structure allows us to repeat a portion of code a specifed number of times By default, the commands in a script file are execuled from top to bottom in a sequence. A loop is used to repeat a portion of code multiple times. While toop is used if we want to repeat a block a code until a condition is satisfied