Consider the relations r₁(P, Q, R) and r₂(R, S, T) with primary keys P and R…

Consider the relations r₁(P, Q, R) and r₂(R, S, T) with primary keys P and R respectively. The relation r₁ contains 2000 tuples and r₂ contains 2500 tuples. The maximum size of the join r₁ ⋈ r₂ is