(c) Decide whether you would expect the relationships between the following pairs of dependent and independent variables to be positive, negative, or ambiguous. Explain your reasoning ii. i. Aggregate net investment in South Africa in a given year and GDP in that year. The number of acres of maize planted in a season and the price of maize at the beginning of that season. The quantity of canned fish demanded and the retail price of a can of fish. (6) iii.