Answer:
C. minus0.25 Your answer is correct.
Step-by-step explanation:
Q = 200 - 4P
dQ/dP = - 4
price elasticity of demand = dQ/dP*P/Q
= -4 *10/(200 - 4*10)
= -0.25
Therefore. The price elasticity of demand if the price of artichokes is $10 IS -0.25