T$$pol Corporation is considering a plan that will increase total units sold. The plan will cause a shift from high$-$ to low$-$margin sales. The plan will

a$)$ not effect net income.

b$)$ increase net income.

c$)$ decrease net income.

d$)$ can$$t be determined more information is needed.

Note: Provide accurate answer answer and provide explaantion for correct and incorrect options.