Ben doesn't want to mow the yard so he asks his sister Stacy for help. Stacy says: "I'll mow for you but you have to do the laundry." Ben no longer has to mow, but instead will stay inside like he wanted due to this ________________.
Group of answer choices
Marginal Cost
Tradeoff
Opportunity-Cost
Alternative
1 answer
Tradeoff
1 answer