Microeconomics

quiz 1

try to answer this questions!!!

1. what is the formula to calculate total cost?
   total cost= total fixed cost + total variables cost
   total cost= total fixed cost - total variables cost
   total cost= total fixed cost + average variables cost
   total cost= Average fixed cost + total variables cost
   
2. short run mean?
   fixed input only
   variables input only
   fixed and variables input
   marginal cost and marginal revenue
   

good luck!!