1. the MARR is 15%. Three alternatives are available and the associated cash flow is as follow:

Year	A	B	C
First Cost	$1,700	$2,100	$3,750
Annual Benefit	$1,000	$1,000	$1,000
Useful Life	2	3	6

Answer the following in this format: 1.23

The payback period for Alternative A is

The payback period for Alternative B is

The payback period for Alternative C is

Based on Payback period analysis, Alternative should be selected

2.

Find the conventional payback period for the following project:

First Cost	$10,000
Maintenance	$500 in Year 1, increasing by $200/year
Income	$3,000/year
Salvage	$4,000
Useful Life	10 years
MARR	10%

in years

3.

With interest at 10%, what is the benefit-cost ratio for this government project?

Initial Cost	$202295
Additional costs at the end of year 1 and year 2	$34284/year
Benefits at end of year 1 and year 2	$0/year
Annual benefits at end of year 3 through year 10	$100320/year

4.

A tax exempt municipality is considering the construction of a new municipal waste water treatment facility. Two different sites have been selected as technically, politically, socially, and financially feasible. The city council uses 6% interest rate for all analyses for public projects. The expected cash flow for the two alternatives are as follow:

Year	Alt. A	Alt. B
0	- $16293948	- $27246080
1 - 75	$1620181/year	$2829425/year

What is the incremental benefit/cost ratio?