A company is considering changing its distribution strategy from push to pull, meaning instead of stocking up inventory at stores to fill consumers$$ demand, it uses stores mainly as show$-$rooms. Its weekly average demand at each store is about $50$ units. Assume there is economies of scale in picking: the picking cost for the first pick is $$1$ per unit and is $ $0\mathrm{.}1$ per unit for follow$-$up picks. How would its weekly picking costs be affected when it changes from push to pull strategy?

Question options:

Its picking costs would increase by $7\mathrm{.}5$ times

Its picking costs would keep the same

Its picking costs would decrease by $7\mathrm{.}5$ times