Answer:
A. Average Total Cost is increasing
Explanation:
Average Total Cost is the Total Cost per unit of Output. Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Marginal Cost is the addition to total cost while producing additional unit of capital
Relationship between AC & MC is as such :                            MC > AC  , AC increases                                            MC < AC , AC decreases                                          MC = AC  , AC is minimum