Maile’s Flower Shop gets a rose delivery once per week for which they pay 67 cents per rose. Roses are sold for $1.27 per bud. By the end of the week, the last week’s roses have wilted to the point that they are unsalable and are discarded. Sales are normally distributed with a mean of 1,403 roses per week and a standard deviation of 94. How many roses should Maile purchase?