Answer:
4
Step-by-step explanation:
Answer: $166.430 per year
0= -900000+AOC(P/A, 40%,3)
0= -900000+AOC(1.5889)
result we get
AOC= $566430
Require reduction = 566430-400000
$166.430 per year
450 AND 50.................
10+10x-3x>17
10+7x>17
7x>17-10
7x>7
x>1
Hope it helps:-)
54