If a business owner decided to expand her business but rather than borrowing money from a bank used her own funds, then
A.
she would be unable to earn a normal profit.
B.
there is no cost associated with the expansion.
C.
she would forego the opportunity to earn interest on the money.
D.
the amount of her funds she used is an explicit cost.
E.
the amount of her funds she used is part of her normal profit.