Detmer Holdings AG of zurich, switzerland, has just introduced a new fashion watch for which the company is trying to find an optimal selling price. Marketing studies suggest that the company can increase sales by units for each SFr2 per unit reduction in the selling price. (SFr2 denotes 2 Swiss francs.) The company's present selling price is SFr94 per unit, and variable expenses are per unit. Fixed expenses are SFr831,900 per year The present annual sales volume (at the SFr94 selling price) is 25,900 units