$1\mathrm{.}6$ Zuick is a German import$-$export company of household appliances. The company, whose headquarters is located in Hannover, distributes $15$ products whose weekly amounts sold and corresponding sales are reported in Table $1\mathrm{.}15.$

The company is investing additional financial resources in two products, K$505$ and K$-506,$ for which the logistician proposes an intensive distribution strategy, involving more CDCs and increasing the stocking levels. By using an $\backslash ($ A B C $\backslash )$ classification $(\backslash (20-30-50)\backslash )$ of the products by the weekly amounts sold, verify whether the distribution strategy proposed by the logistician is correct and, if not, modify it accordingly.