Hmm. W1 uses 1/N of the free formula and sells the remainder to W2-N. Next month, she's still lactating AND has enough money to buy 1/N for N-1 months. Note t

Hmm. W1 uses 1/N of the free formula and sells the remainder to W2-N. Next month, she's still lactating AND has enough money to buy 1/N for N-1 months. Note that the prices in this scheme are independent of Nestle's prices. However, high Nestle prices are a big incentive for someone to be W0.