Company ABC's historical sales data for the last eight quarters is show below. Quarter Sales 1 300 2 200 3 240 4 540 5 330 6 250 7 285 8 500 The trendline is already identified for you as Y = 235 + 20 * t. Answer the following questions. What is the seasonal index for quarter 1? Your answer is . Round your answer to two decimals. For example, if your answer is 12.123, input 12.12; if your answer is 12.456, input 12.46. What is the seasonal index for quarter 2? Your answer is . Round your answer to two decimals. For example, if your answer is 12.123, input 12.12; if your answer is 12.456, input 12.46. What is the seasonal index for quarter 3? Your answer is . Round your answer to two decimals. For example, if your answer is 12.123, input 12.12; if your answer is 12.456, input 12.46. What is the seasonal index for quarter 4? Your answer is . Round your answer to two decimals. For example, if your answer is 12.123, input 12.12; if your answer is 12.456, input 12.46. Combining trend line and seasonal index, what is your forecast for quarter 9? Your