A lower discount rate applied to a given flow of returns in the future (e. g., $5,000 at the end of 5 years, $10,000 at the end of 10 years, $15,000 at the end of 15 years, etc.) will cause the present value of that flow to:.
A) remain unchanged if the future dollars do not change.
B) increase.
C) decrease.
D) change in a direction that cannot be determined in general.

Someone knows the answer i need in the exam

Bakery has bought 250 pounds of muffin dough. they want to make waffles or muffins in half-dozen packs out of it. half a dozen of muffins requires 1 lb of dough and a pack of waffles uses 3/4 lb of dough. it take bakers 6 minutes to make a half-dozen of waffles and 3 minutes to make a half-dozen of muffins. their profit will be $1.50 on each pack of waffles and $2.00 on each pack of muffins. how many of each should they make to maximize profit, if they have just 20 hours to do everything?

Before the tools that have come from computational psychiatry are ready to be used in everyday practice by psychiatrics, what is needed