36-38.Fill in the missing algebraic signs (+ or - ) of the demand and supply equations for chicken meat below on the space provided according to the hypothesized direction of relationships.

Q^D =20 _____ 1.5 P_C _____ 0.8 I _____ 0.6 P_B

Q^S = -20 _____ 4.5 P_C _____ 0.5 W _____ 3 P_F

Where:Q - quantity of chicken meat in kilograms, per day

P_C - price of chicken meat (in pesos per kilograms)

I - income of the average consumer (in pesos per day)

P_B - price of beef (in pesos per kilogram)

W - wage rate paid in the poultry business (in pesos per day)

P_F - price of mixed feeds (in pesos per kilogram)