Review the illustration in Appendix 2B Suppose the income tax rate were 30% instead of 40% How many units would the company have to sell to achieve a target after-tax net income of (a) $890 and $1,500? Please show your calculations Review the illustration in Appendix 2B Suppose the income tax rate were 30% instead of 40% How many units would the company have to sell to achieve a target after-tax net income of (a) $890 and $1,500? Please show your calculations