Which rule must be applied when using summary accounts to create a mass allocation journal?

A.
Constant (C) must be assigned to each rollup group that is used in the formula line.

B.
Summing (S) must be assigned to each rollup group that is used in the formula line, so that the
related child values are summarized.

C.
Looping (L) must be assigned to each rollup group that is used in the formula line, so that the
associated child values are incorporated in the calculation.