PriceQuantity Demanded$2001000$1501400$10018003. If price falls from $200 to $15

PriceQuantity Demanded$2001000$1501400$10018003.
If price falls from $200 to $150 what is the elasticity of demand over this
range?A.
-0.625B. -1.0
C. -1.17D. -2.5E. -3.0 4.
As output increases from 1000 to 1400 what is marginal revenue?A. $25B. $50C. -$400D.
-$25E. -$755.
If price falls from $200 to $150 A.
Arrows representing the price and quantity effects both point down.B. An arrow representing the price effect points down and is longer than an
arrow for the quantity effect.C.
An arrow representing the price effect points down and is shorter than an arrow
for the quantity effect.D. Arrows representing the price and quantity effects both point up.E. Total revenue moves in the same direction as the arrow representing the
price effect.