If the average rate of return is 8,42%, then the original investment ( rounded off to the nearest R 1000) was

/in /by

If the average rate of return is 8,42%, then the original investment (
rounded off to the nearest R 1000) was

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The following figuTheres shows the profit of a green grocer for the past five years: R36 000,R550 000,R200 000,R80 000,and R700 000.The arithmetic mean of the data is:
Find the lump sum deposit which will give $3,092 in 10 years in an account paying 5.01% compounded quarterly.
FIND THE AMOUNT BY WHICH THE COMPOUND INTEREST IS LARGER THAN THE SIMPLE INTEREST. ROUND TO THE NEAREST CENT. Principal: $7825 Rate: 6% Years: 7
In the market for Fante Kenley, the supply and demand functions respectively are Qs = 0.25P+10 and -0.5P+100 When there is excess demand, price adjusts according to the equation dp/dt = 0.5(Qd - Qs) a) Find the long run equilibrium price, P* (that is, the price at which there is no excess demand or supply). b) Formulate and solve he first order differential equation giving P as a function of time, t. Is this market dynamically stable or unstable? c) If the initial price is P = 50, how close will the price be to its long run equilibrium value, when t = 10?
An unrecorded credit memo for collection of a note should be?
Moses invests R3 745,35 at the end of each month at an interest rate of 14,5% per year, compounded monthly. How long will it take him to have R1 000 000,00?
Suppose that there are 250 identical individual consumers in the market for commodity X, each with a demand function given by dx = 6-Px and 50 identical producers of commodity X, each with a supply function given by sx =5Px. (8 Marks) a) Derive the market demand function and the market supply function for commodity X. b) Compute the market equilibrium price and equilibrium quantity mathematically. c) Tabulate the market demand schedule and the market supply schedule for commodity X. d) show whether surplus or shortage occurs at i) P = 2 ii) P = 5
Use the standard normal table to find the following values. In all the problems Z is a standard normal random variable. (a) (i) P(Z < 1.5) (ii) P(Z > 1.5) (iii) P(−1.5 < Z < 1.5) (iv) P(Z ≤ 1.625) (b) (i) The right-tail with probability α = 0.05. (ii) The two-sided rejection region with probability α = 0.2. (iii) Find the range for the middle 50% of probability