The 5/10 is 1/2 and that makes 1/2 the answer. Being in simplest form, that is.
'Pretax Rate Of Return' The rate of return on an investment that does not take the taxes the investor must pay on this return. I'm pretty sure that the 'of return' and amount are the same but that you might want to look further into. š
The answer is 1
It is 50,000 M