If we start with 'As a result, product proliferation represents a shift in the curve relating sales volume and variability (see Figure 7.4).', does it make sense to conclude with 'Product proliferation has no effect on the curve relating to sales volume and variability.'
As a result, product proliferation represents a shift in the curve relating sales volume and variability (see Figure 7.4).###Product proliferation has no effect on the curve relating to sales volume and variability.