$800 per year for 10 years at 10%.
$
$400 per year for 5 years at 5%.
$
$800 per year for 5 years at 0%.
$
Now rework parts a, b, and c assuming that payments are made at
the beginning of each year; that is, they are
annuities due.
Present value of $800 per year for 10 years at 10%:
$
Present value of $400 per year for 5 years at 5%:
$
Present value of $800 per...