In c++ code please 2 and 3

2. (40 points) Implement the overloaded operator for Price to return a reference to a Price object so that p2 and p3 equal 2 dollars and 30 cents: Price p1 (2, 30) Price p2 (4, 50) Price p3 -p2-pl: You may assume that all price objects contain valid data, i.e. dollars>=0 and 0