A line graph shows quantity of pizzas on the x-axis from 0 to 30 and price in dollars on the y-axis from 0 to 20. A line labeled S starts at (5,5) (labeled a), increases to (10,7.5), to (15,10) (labeled c), to (20,12.5), to (25,15) (labeled e). A line labeled S subscript 1 starts at (8,7) (labeled a) and increases to (14,9), to (18,12) (labeled c), to (23,14), to (28,17) (labeled e). If the supply curve shown above shifts to the left then the .
A.
supply increased
B.
price increased
C.
supply decreased
D.
price decreased

Please select the best answer from the choices provided

A
B
C
D