If the key is the last element, how many comparisons does linear search make?

1. Linear search stops only when it finds the key. 2. A key at the end is reached only after everything else. 3. If the key is the last element, linear search makes n comparisons. 4. Here n is the number of elements in the list. _Source: syllabus Computer Science, Ch 5 'Sorting' and Ch 6 'Searching'_