Assume that Daniel Corp. is trying to better understand whether costs spent on advertising, quality control and employee training have a significant relationship with revenues earned during a given period. The managers of Daniel Corp. are provided the following regression output SUMMARY OUTPUT Regression Staticis Multiple R GRISAN RSquare 0662753 Adjusted Square SAMS Standard Emor 159455 Observations ANOVA 4 1148 Regression Residual ONKY 5 100309 306.D Total F phonal LANE 4.2 Offices SE the Fair Lowe pe Move or 5 Intercept Advertising Cost 25 DRAMATION 0 4187 2WXY Quality Control 4M 41 TEDON L501 44K LINE 4400 LORE Employer Taining 44 4006 Based on the output, which independent variable is a significant predictor of the dependent variable? O Intercept O Employee Training O Quality Control O Advertising Cost