hello could you please answer this please

Blossom has the following production information available regarding its lawn mowers: If Blossom currently has only 900 machine hours available per month for mower production, which of the two lawn mowers, Riding Mower and/or Self-Propelled Push Mower, should Blossom produce to maximize net income lassuming all mowers produced can be sold)? Equal amounts of each mower will maximize net incorne for the company. Not enough information is provided to compute the maximized net income computation. Riding Mower, since it has the highest unit contribution margin at $490. Self-Propelled Push Mower, since it has the highest contribution margin per machine hour of $54