Which of the following would NOT qualify as valid consideration?

Bill rents an apartment from his landlord.

Laura buys $$100$ worth of clothes from Martha on credit.

Marcy pays Jim a dollar for every bag of tin cans he picks up for recycling.

Spencer and Linda sign a contract where Linda buys all her lumber from Spencer and Spencer sells as much lumber to Linda each week as he wants.

FEEDBACK

$\frac{0}{3}(0\mathrm{.}0\%)$

Linda's consideration is her guarantee to buy only from Spencer. Spencer is not offering consideration since, under the terms of the agreement, he never has to sell if he doesn't want to$.$ See section $6\mathrm{.}4,$ Consideration.