Please answer only without steps of solving

1)If the price of a product increases by 10 % and demand decreases by 25%. It is the situation of: A) Relatively elastic demand B) Unitary elastic demand C) Relatively inelastic demand D) Perfectly elastic demand 2. Which one of the following is average total cost (ATC) if the output is 100 units and total cost is RO 30000? A) 300 B) 30100 C) 150 D) 3100