Tourism in 2020 Because of the coronavirus pandemic, the actual number of people who visited Australia and South Africa in 2020 was much lower than predicted. Suppose the following table gives the number of people (in thousands) who visited Australia and South Africa in 2020. To Australia South Africa From North America 250 80 Central and South America 30 20 Europe 430 460 Referring to the 2020 tourism figures, assume that the following (fictitious) figures represent the corresponding numbers from 2019. To Australia South Africa From North America 1,010 430 Central and South America 140 130 Europe 1,660 1,570 Take A to be the 3 2 matrix whose entries are the 2019 tourism figures (in thousands) and take B to be the 3 2 matrix whose entries are the 2020 tourism figures (in thousands). (a) Compute the matrix B A. -760 -350 -110 -110 -1230 -1110 Correct: Your answer is correct. What does this matrix represent? It represents changes in number of visitors in 2019. It represents changes in number of visitors over the period 2020-2021. It represents changes in number of visitors in 2020. It represents changes in number of visitors over the period 2019-2020. Correct