Hock Kee Seafood Company wants to know how the demand for squids depends on the price per kilograms. The research officers have collected information on seven restaurants in Johor Bahru area. The following table shows the price per kilogram (in RM) and sales (in kilogram) for these seven restaurants.

Price per kg (RM)	32	30	28	26	24	22	20
Sales (kg)	250	330	400	450	480	550	600

Table 2

Based on the data set in the table above, answer the following questions:

1 .Using the Least Square Method, with annual income as the x-axis, find the equation of the estimated regression line.

2. Estimate the amount of sales generated with a demand price in kilogram is RM34.

3.