Example: You are the manager of a rm that produces a vegetable cooking oil in Ghana. In order to make informed decision, you engaged an economist to estimate the demand equation for your product. Using data from 21 supermarkets around the country for the month of December 2020, the estimated linear regression result for your product is shown in the table below: Variable Parameter Estimates Standard error 0.86723 Adjusted R-squared 0.31323 Suppose the price of 1 gallon of vegetable cooking oil is C50, price of 1 gallon of palm oil is C60, the per capita income of the country is C550, the monthly advertising expenditure on vegetable cooking oil is C1000 and the total number of consumers is 500. a) Write down the estimated demand function for your rm's product and interpret the parameter estimates b) Are the estimated coefcients of the model statistically signicant? c) Explain the adjusted Rsquared