1.56 The sales team of a perfume company, Bloom, is asked to report their previous month’s sales. The perfumes that Bloom sells include Flower Parfum Spray, Black Night Parfum, Bairdiella Parfum Spray, and Blooming Rose Eau de Toilette. The sales data are recorded to help Bloom identify which perfume its customers like the most and to launch new fragrances. The following table is a frequency distribution of sales:

Product Units Sold Flower Parfum Spray 45 Black Night Parfum 234 Bairdiella Parfum Spray 64 Blooming Rose Eau de Toilette 165 Love Spray 72 M2 Parfum 14 White Eau de Toilette 68 Amazing Day Parfum 153

a. Construct a Pareto diagram of the perfume sales.

b. Identify which product sells the most and which product sells the least.