The PW-based relation for the incremental cash flow series to find i* between the lower first-cost alternative X and alternative Y has been developed….

The PW-based relation for the incremental cash flow series to find Δi* between the lower first-cost alternative X and alternative Y has been developed.

Determine the highest MARR value for which Y is preferred over X.

Any MARR value greater than _______  % favors Y.