May some one please help me, I really need a good answer, I thought I was doing it right but Idk what I am doing wrong, Please give good answer and explanation, I will give brainliest to person who helps me the best!

Baker industries’s net income is $24,000, its interest expense is $5,000, and its tax rate is 40%. its notes payable equals $27,000, long-term debt equals $75,000, and common equity equals $250,000. the firm finances with only debt and common equity, so it has no preferred stock. what are the firm’s roe and roic?

Alyssa works for an engineering firm that has been hired to design and supervise the construction of a highway bridge over a major river. the bridge will be a unique design, incorporating complex designs that will likely never be duplicated. how should alyssa deal with designing and overseeing the building of the bridge?

In 2007, americans smoked 19.2 billion packs of cigarettes. they paid an average retail price of $4.50 per pack. a. given that the elasticity of supply is 0.50.5 and the elasticity of demand is negative 0.4−0.4, derive linear demand and supply curves for cigarettes. the demand equation is qdequals=nothingplus+nothing times ×p and the supply equation is qsequals=nothingplus+nothing times ×p.