Monthly Sales 7612.98 8393.66 7780.23 7091.18 9450.62 8220.44 7339.97 8589.48 7621.12 8067.21 7432.08 7621.69 7256.68 7821.21 8074.25 8173.28 7745.28 7398.05 7098.52 8484.65 7987.16 7041.5 7937.03 8508.25 8145.68 7802.15 8482.05 6171.19 8870.03 7906.6 9093.87 8010.37 6971.06 8800.08 7209.09 8852.65 8319.31 7982.86 8405.35 9166.74 7634.14 8315.4 8680.97 7540.09 9461.91 9414.57 9335.68 8638.78 7285.7 8376.95 9448.4 8360.16 7767.16 8072.17 9723.44 10062.24 8066.42 8721.08 9389.73 7474.23 Given their performance record and based on empirical rule what would be the lower bound...