getBudgets([
{ name: "John", age: 21, budget: 23000 },
{ name: "Steve", age: 32, budget: 40000 },
{ name: "Martin", age: 16, budget: 2700 } ]) ➞ 65700
getBudgets([
{ name: "John", age: 21, budget: 29000 },
{ name: "Steve", age: 32, budget: 32000 },
{ name: "Martin", age: 16, budget: 1600 } ]) ➞ 62600