M is minor who owns a house and lot valued at P$1,\mathrm{000},\mathrm{000.}$ G is the guardian who sold the house and lot to B for only P$\mathrm{600},\mathrm{000}$ but with the approval of the court. The contract between G and B is $-$

Valid

Unenforceable

Rescissible

Void

Voidable