A buyer for a nursery purchases the following items: 1,000 flats of petunias @ $1.65 each that will retail for $10 each. 500 flats of geraniums @ $2.54 each that will retail for $12 each. 750 flats of impatients @ $3.45 each Assuming that all product sells, what will the impatients have to retail for (selling price) to achieve an average margin of 81.75% for the whole order? Round to the nearest dollar.