please answer all!!

The cost function y = 160 + 8X _ O A. has a slope coefficient of 160 O B. has an intercept of 160 O C. represents a fixed cost O D. is a nonlinear Quantum Company uses the high-low method to estimate the cost function. The information for 2017 is provided below: Highest observation of cost driver Lowest observation of cost driver Machine - hours 500 100 Labor Costs $30,000 $24,000 What is the constant for the estimated cost equation? O A. $7,500 OB. $22,500 OC. $30,000 OD. $24,000 The cost function y = 300 + 2X _ O A. is a nonlinear O B. represents a fixed cost O c. has an intercept of 300 O D. has a slope coefficient of 300