Over the past year, the South African Rand has depreciated against the Australian dollar by 5%. Furthermore, the inflation in Australia was at 4% over the year while the inflation in South Africa stood at 7% over the year. Choose the most appropriate statement that reflects this information. O a. The Australian exporters to South Africa have lost their competitive advantage relative to the local firms by about 3%. O b. The Australian exporters to South Africa have gained a competitive advantage relative to the local firms of about 3%. O c. The Australian exporters to South Africa have gained a competitive advantage relative to the local firms of about 2%. Od. The Australian exporters to South Africa have lost their competitive advantage relative to the local firms by about 2%