2. Find the simple payback year if any for the following cash flow: (4ptos) DY ash-Flow 1 2 3 4 6 7 8 -$30,000 2,500 3,800 4,000 6.000 8.000 10,000 12,000 10.000

2. The following cash flows are equivalent in value if the interest rate is i. Which one is more valuable if the interest rate is 2i? (i) 01- -2 (ii) 0-1-2-

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Mary Purchales a $500 bond that has 6 remaining Sem!- annum) 6%. Coupon payments for $450. what would be his return' per' half year period

1. The maintenance cost for a certain machine is $1,000 per year for the first 5 years and $2,000 per year for the next 5 years. At an interest rate (compounded) of 10% per year, the present worth of the maintenance is closest to: A. Less than $7,000 B. $7,450 C. $8,500 D. More than $9,000

Question 3 For the following cash flows, calculate the annual worth using 10% per year Year 1 2 3 4 Cash Flow, S - 605 100 175 250 325 O A.S 17.23 O B.$ 7.12 OC.S 12.73 O D.S 21.73 O E.S -12.44 A Moving to the next question prevents changes to this answer

1.23 How much money will be required four years from today to repay a $2000 loan that is made today (a) at 8% Ans. (a) $2720.97; (b) $2640.00 interest, compounded annually? (b) at 8% simple interest?

Pleasee solve with clear explantion so I can understand, engineering econ

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