Please refer to the image as it contains info to answer all parts to the question :) Will thumbs up for answers to all parts and work is appreciated, thank you

Pt $1)$ If Westerville's chief executive officer will earn a bonus only if her residual income from this year exceeds her residual income from last year, would she pursue the investment opportunity? YES OR NO$?$

Pt $2)$ Assume the contribution margin ratio of the investment opportunity was $60\%$ instead of $70\%.$ If Westerville's Chief Executive Officer will earn a bonus only if her residual income from this year exceeds her residual income from last year, would she pursue the investment opportunity? YES OR NO$?$Pt $3)$ Would the owners of the company want her to pursue the investment opportunity? YES OR NO$?$