Question 3 (part 2 of 2 ) Data concerning the unit selling prices and unit costs of the 3 products produced by Redding Inc. appear below: Fixed costs are applied to the products on the basis of direct labour hours. Demand for each of the three products exceeds the company's production capacity. The grinding machine is the constraint, with only 2,400 minutes of grinding machine time available this week. Required: If there is still unfilled demand for the product that the company should emphasize the most, up to how much should the company be willing to pay for an additional hour of grinding machine time in order to meet this week's demand? Show calculations clearly