The annual equivalent costs for challenger and defender are given as follow:

n	AEC-Defender	AEC-Challenger
1	$2,000	$6,000
2	$2,300	$4,000
3	$2,600	$4,300
4	$1,900	$5,000
5	$2,200	$5,200

Using the finite planning horizon of 6 years, apply the present worth analysis to determine

(j0,1),(j,2),(j,3)(j0,1),(j,2),(j,3)

Assume i=10%.

Question 12 options:

a)	Between $24,800 and $25,100

b)	Between $17,800 and $18,500

c)	Between $13,300 and $14,500

d)	Between $15,800 and $16,500

e)	Between $14,500 and $15,500