Rob Crusoe and Bill Friday spent their week-long vacation on a desert island where they had to find and make their own food. Rob and Bill spent one day each fishing and picking berries. The following table lists the pounds of output Rob and Bill produced.
Berries Fish
Rob 20 80
Bill 30 60
a. Bill has a comparative advantage in picking berries.
b. Rob has a comparative advantage in picking berries.
c. Bill has a comparative advantage in catching fish. d. Rob has a comparative advantage in catching fish and picking berries.

Digitalhealth electronics inc. is a company that builds diagnostic devices. it was the first company to develop a compact mri scanner by reconfiguring the components of the mri technology. this smaller and user-friendly version of the huge mri scanner created demand from small hospitals, nursing homes, and private practice doctors who were earlier dependent on the scanning machines in large hospitals. which of the following types of innovations does this scenario best illustrate? a. disruptive innovation b. incremental innovation c. radical innovation d. architectural innovation