This is a benefit / cost question:

Point 2 and 3 are benefits; 4 is a cost; 5,6,7 are disbenefits and 8 are users

I'm having trouble with point 8 in converting to PW(present worth) of users.

thanks for help

PROB.1 wealth that those middle-class jobs created?" 3 000 Below is a chart of Facebook users 2 500 Notable Quote: "Here's a current example of the challenge we face. At the height of its power, the photography company 2 000 Kodak employed more than 140,000 people and was worth $28 billion. They even invented the first digital camera. But today Kodak is bankrupt, and the new face of digital photography has become Instagram. When Instagram was sold to Facebook for Number of users in millions a $18 dollars in 2012, it employed only thirteen people. Where did all those jobs disappear to? And what happened to the 1 500 1 000 03'01 oz '0s 2 04 09 3 02 '10 Acclanma 45 04'10 02'11 02'12 04 '12 02'13 $ 76 To n . . 02'14 02'IS 02'16 04'16 Q2'17 04'17 02'18 04'18 02'18 04'19 23 yrs statistical life There is