Afirm has installed a manufacturing line for packing materials. the firm plans to produce 50 tons of packing peanuts at $5000 per ton annually for 5 years, and then 80 tons of packing peanuts per year at $5500 per ton for next 5 years. what is the present worth of the expected income? the firm's minimum attractive rate of return is 18% per year.

A1=50*5000=250000 for annually first 5 years
A2=80*5500=440000 for annually 6th to 10th year
MARR=18%

Present value of first 5 years of production
I1=A1*[P/A,0.18,5]
=250000((1.18^5-1)/(.18*1.18^5)
=$781792.755

Value of production 6th to 10th year, reduced to present (t=0)
I2=A2*[P/A,0.18,5]/(1.18^5)
=1375955.249/2.287757757
=$601442.721

Present worth of expected income
=I1+I2
=781792.755+601442.721
=$1,383,235.48

The  atomic nucleus  is the small, dense region consisting of  protons  and  neutrons  at the center of an  atom, discovered in 1911 by  ernest rutherford based on the 1909  gold foil experiment.

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