Above picture is the example there a library, we would like to improve the layout of the facilities.

Firstly, you need to improve the layout of the first floor, it is also the main entrance hall at the podium level.

For the name of the number

One: Main library entrance

Two: Customer service counter

Three: Information counter

Four: Library catalogue terminals

Five: Book and gift shop

Six: cafeteria

The layout of the various functions with the sequence of 1-3-2-6-5-4, is shown in Figure 1b.

The walking distance between the various functions (in metre):

The unit cost is $1 per metre of transport

You also examined the average traffic loading between various functions over a period of time, and have the hourly traffic volume (in no. of people) registered:

Please type the answer by computer (not hand writing) thank you!!

Questions:

1. Compute the total traffic costs (in $) of the current layout. Show steps of calculations
2. Which pair of functions has the most traffic load? What is the total cost per hour?

6 5 2 HONG KONG CENTER 4 3 1 Entrance Figure 1a Figure 1b 1 2. 20 Between 1 2 3 4 3 10 10 4 20 30 30 5 30 20 30 10 6 40 10 20 20 10 3 2. 400 3 100 80 Between 1 2 3 4 5 6 4 D 50 80 0 0 0 80 6 115 0 0 20 50