Look in the description

Instructions:

  1. You must do individual work, but you are welcome to discuss your project with your classmates

  2. Please submit spreadsheet(s) copy of the project with results and description of what you are doing

  3. Attach same spreadsheet(s) with formulas.

    1. Copy your work (easiest way to do it is to right-click on “Sheet 1” at the bottom left of the page and select “Copy”

    2. Paste your work to the new sheet by clicking on “+” directly to the right of Sheet 1. Sheet 2 will appear. Then right click on cell A1 of Sheet 2 and select “Paste”

    3. Replace all = with ‘= signs in Sheet 2. That will allow me to see formulas you used. You can do that by selecting “Find and Select…” button on the top right (it has binoculars on it) and replacing as shown below:

Look in the description 1

    1. Please widen all columns so I can see entire formulas

  1. Please make sure to expand cells, so I can see all values and formulas. Make sure that I can understand what you are doing.

You need to meet lighting requirement in the specific room

You may choose from the following two lighting options:

Option 1:

Option 2:

each lights output is

800 lumens

each lights output is

1,100 lumens

initial cost per light:

$18

initial cost per light:

$35

light must be replace after

300 hours

light must be replace after

350 hours

usage cost of the light

0.022 kW / hr

usage cost of the light

0.025 kW / hr

Constraints:

1. You must have at least 4,000 lumens in total lighting

2. Since area was overwired, you have no wiring or maintenance costs

3. As each light burns out, you must replace with the same light

4. Cost of electricity is $0.11 per kWh and expected to be the same over the next 36 months

5. You only need the room for 36 months.

6. At the end of the period you will not remove lights

7. Lights must be on for 400 hours per month

8. Company MARR = 1% per month

Determine best combination of lighting to minimize costs