Wilson cites that one of the biggest mistakes he made when starting JCF was not taking it seriously enough, which led to some financial issues and $$a big bill from the IRS.$$ This mistake exemplifies which potential cause of small$-$business failure?

Multiple Choice

underestimating how much time it will take to build a market

forgetting about taxes, insurance, and other costs of doing business

plunging in without first testing the waters on a small scale

not allowing for setbacks and unexpected expenses

not understanding business cycles