Final answer:
Without knowing the number of toy boxes sold, we cannot calculate Ronaldo's net income. The general formula for net income is the number of products sold multiplied by the selling price minus total expenses.
Step-by-step explanation:
To determine Ronaldo's net income from selling toy boxes at $120 each for the past two months, we need additional information about the number of toy boxes sold. Since this information is not provided in the question, the calculation of the net income cannot be completed. However, the general equation to calculate the net income from selling products would be:
Net Income = (Number of Toy Boxes Sold) × (Price per Toy Box) - (Total Expenses)
In this case, 'Total Expenses' would include any costs incurred by Ronaldo in the production, marketing, and sale of the toy boxes over the two-month period.