Use the Following to Answer Questions

Use the following to answer questions :
Scenario: Betty's Cookie Shop
Betty runs a cookie shop where she sells cookies for $1 each.She employs five people,each of whom worked a total of 500 hours last year;she paid them $10 per hour.Her costs of equipment and raw materials add up to $75 000.Her business ability is legendary,and other companies have offered to pay Betty $100 000 to come to work for them.She also knows she could sell her cookie shop for $150 000.The bank in town pays an annual interest rate of 3% on all funds deposited with it.
-(Scenario: Betty's Cookie Shop) Use Scenario: Betty's Cookie Shop.Given the information provided,Betty's implicit costs are:

A) her salary if she worked elsewhere and interest she forgoes by not selling her shop and putting the money in the bank.
B) the cost of labor,equipment,and raw materials.
C) the revenue she receives from selling cookies plus the cost of labor,equipment,and raw materials.
D) revenue she receives from selling her cookies and her labor costs.