To Find the Number of Units That Gives Break-Even for the Product

Multiple Choice

To find the number of units that gives break-even for the product, solve the equation R $$\mathbf { R } = \mathbf { C }$$ ound your answer to the
nearest whole unit.
-Mardi received an inheritance of $50,000. She invested part of it at 12% and the rest at 11%. Her total annual income from the investments was $5900. Find the amount invested at 12%.

A) $39,000
B) $20,000
C) $44,100
D) $40,000