If one relation has M tuples and N attributes and the other has J tuples and K attributes, what are the number of If one relation has M$1$ attributes and the other has M$2$ attributes with two attributes specified as a join condition on each relation, how many attributes for the EQUIJOIN and how many attributes for the NATURAL JOIN $($assuming M$1>2$ and M$2>2$ and attributes for the Cartesian product for these two relations