JIT makes quality cheaper because:

a. the cost of low quality can be hidden as inventory cost.
b. JIT adds more buffers to the system.
c. JIT prevents long runs of defects.
d. JIT adds more buffers to the system
e. JIT prevents long runs of defects the cost of low quality can be hidden as inventory cost.
f. JIT adds more buffers to the system and JIT prevents long runs of defects