Rewrite the following program segment using logical operators:

if(x > 5)
if(x > y)
    System.out.println(x + y);

Identify the operator that gets the highest precedence while evaluating the given expression:

a + b % c * d - e

1. +
2. %
3. -
4. *

A store has purchased some cola cans of various brands. It purchased 50 cans @ ₹15 per can, 30 cans @ ₹20 per can and 40 cans @ ₹21 per can. Write a Java program to compute how much amount did the store pay.