Let relations r1(A, B, C) and r2(C, D, E) have the following properties: r1 has20,000 tuples, r2 has 45,000 tuples, 25 tuples of r1 fit on one block, and 30tuples of r2 fit on one block. Estimate the number of block transfers and seeksrequired using each of the following join strategies for r1 ⋈ r2: Nested-loop join.

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