Check my work mode: This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Required information. [The following information applies to the questions displayed below.] Roland had a taxable estate of $16.4 million when he died this year. Required: Calculate the amount of estate tax due (if any) under the following alternatives. (Refer to Exhibit 25-1 and Exhibit 25-2) (Enter your answers in dollars and not in millions of dollars.) a. Roland's prior taxable gifts consist of a taxable gift of $1 million in 2005. Answer is complete but not entirely correct. Estate tax due $2,328,000 Re