You are the business adviser to a hyper market in Penang. You have been given the following information on the demand of chicken in Penang. Analyze the information below and advise the purchasing department accordingly.
lnQ = 20- 2.174ln P + 0.461ln I +1.909ln P ,
Where Q= quantity demanded in Penang
P= price per kg of chicken
I= average personal income
Pm =an index of the price of fish
Additional information: Due to the implementation of minimum wage, disposable income is expected to increase by 5 per cent next year.