Jessica wants to expand her business and use the 10 acre property she owns and rents to a local sheep rancher for $10,000/year, to build a mall for $4 million. Jessica’s total implicit costs of the expansion plan are ______.

A. the foregone rent and the cost of the mall.
B. the foregone $10,000 from the sheep rancher.
C. the cost of construction of mall and fixed costs of the mall