Product ABC has a contribution margin per unit of $10.00. Each unit of ABC requires 5 minutes of machine time. Product XYZ has a contribution margin per unit of $15.00 and each unit requires 10 minutes of machine time. If the company's constraint is machine hours, to maximize profit, they should first fill the demand for.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?