Microecons

[jxnis]

Suppose there are three houses in a neighbourhood. The residents are considering improving security in the neighbourhood after there has been in an increase in crime in the city they live in. They are deciding on how many security cameras that need to be installed. Each resident's willingness to pay for security cameras is given in the table below.



Number of Cameras

House 1

House 2

House 3

1

$300

$400

$200

2

$280

$360

$160

3

$240

$300

$120

4

$180

$220

$100

5

$80

$100

$10

If the cost of installing one camera is $500, how many cameras will be installed?