Answer:
The effective annual rate of interest is 23.45%
Explanation:
Effective annual rate of interest=(1+annual interest)^365/t-1
Annual interest =discount rate/100%-discount rate
discount rate here is 2%
annual interest=2/100-2
=2.04%
T is the difference between the discount period of 10 days and credit period of 45 days
45-10=35 days
Effective annual rate of interest=(1+2.04%)^(365/35)-1
=(1.0204^10.42857143)
-1
= 1.2345 -1
=0.2345
=23.45%
Answer:
PV = $27,263.15
It will be needed to deposit the lump sum of $27,263.15
Explanation:
The question is asking for how much will you need to deposit in a lump sum today to withdraw for seven years the sum of $5,600 with an interest rate of 10%
In other words it is asking us for the preset value of an annuity of $5,600 with interest of 10%
Using the present value of an annuity formula of $1 we can solve for the present value of that annuity, which is the amount needed to generate this annuity

We post our knows value and solve it:

PV = $27,263.15
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The market for carbon allowances is set by the regulatory authority.