Isaac Incorporated began operations in January $2024.$ ?For some property sales, Isaac recognizes income in the period of sale for financial reporting purposes. However, for income tax purposes, Isaac recognizes income when it collects cash from the buyer's installment payments.

In $2024,$ ?Isaac had $$681$ ?million in sales of this type. Scheduled collections for these sales are as follows:

$\backslash$table$[[2024,$$ million$],[2025,138$ ?million$],[2026,130$ ?million$],[2027,163$ ?million$],[2028,\frac{166\text{m}\text{i}\text{l}\text{l}\text{i}\text{o}\text{n}}{\text{\$}\text{\$}\text{m}\text{i}\text{l}\text{l}\text{i}\text{o}\text{n}}$