1) A compute store had calculated the seasonal index for each of the quarters of the year. This information is in the chart below. They also have calculated the regression formula to predict sales for each year. This equation is y = 124x + 1727. What is the forecast for computer sales for year 4 quarter 3? Round your answer to the nearest whole number.

Quarter	Index
Q1	0.164
Q2	0.237
Q3	0.364
Q4	0.235

A. 527

B. 497

C. 809

D. 556