1. The following table lists foreign exchange rates between U.S. dollars and British pounds (GBP) during April.

Date

U.S. Dollars per GBP

4/1

1.9564

4/4

1.9293

4/5

1.914

4/6

1.9374

4/7

1.961

4/8

1.8925

4/11

1.8822

4/12

1.8558

4/13

1.796

4/14

1.7902

4/15

1.7785

4/18

1.7504

4/19

1.7255

4/20

1.6914

4/21

1.672

4/22

1.6684

4/25

1.6674

4/26

1.6857

4/27

1.6925

4/28

1.7201

4/29

1.7512

Which day would have been the best day to convert $200 into British pounds? Which day would have been the worst day? What would be the difference in pounds?