Exercise 4 Comment on the sizes and signs of the following elasticities. f blas Good 1. Ye = 3 2. Ye = -.75 3. Pe = -1 4. Pe = -.33 5. Pe = -1.80 6. Ce = -1.22 7. Ce = +.32 :.. 8. Ce = 1.00 Exercise 5 State whether the effect of the following on the total revenue of the seller is an increase, decrease, or same. 1. Price increase, D is inelastic 2. Price decrease, D is inelastic