Answer:
the portfolio´s beta is 1.65
Explanation:
when the individual calculation of beta has been given, is possible to aggregate them as a weigthed average, so it is possible to apply te next formula

where w is the weigthed value for each asset, in this particular case we have:

so with this result we get 1.65
Answer and Explanation:
The computation of the net present value is presented in the attachment below:
For project A, the net present value is $91,771.53 and for project B, the net present value is $79,390.69
It is computed after considering the discounting factor that comes from
= 1 ÷ (1 + discount rate)^number of years
for year 1, it is
= 1 ÷ (1 + 0.06)^1
The same applied for the remaining years
The percentage of the disposable income that is discretionary is equal to 30.82% if the amount left after fixed expenses is $900.
As the amount left after payment of the fixed expenses is $900, this is said to be the discretionary income because discretionary income is equal to the disposable income minus fixed expenses.
Now we can calculate the percentage of disposable income that is discretionary as follows;
percentage of disposable income that is discretionary = (discretionary income ÷ disposable income) × 100
% discretionary income = (900 ÷ 2,920) × 100
% discretionary income = 90,000 ÷ 2,920
% discretionary income = 30.82%
Hence, 30.82% of the disposable income is calculated to be discretionary if the disposable income is $2,920 and the amount left after payment of fixed expenses is $900.
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Answer: Description, Date, and Amount.