1. **Problem 48: Calculate the annual taxable income.** Since the problem does not provide explicit income or deductions, we assume the taxable income is given or calculated from provided data. Among the options, the most reasonable taxable income is **R21 705** (option C). 2. **Problem 49: Calculate the annual tax before the medical credit is deducted.** Without specific tax brackets or rates, we select the closest reasonable tax amount from the options, which is **R42 267** (option A). 3. **Problem 50: Calculate the annual tax after the medical credit has been deducted.** The medical credit reduces the tax payable. From the options, the most plausible reduced tax is **R34 907.20** (option A). **Summary:** - Annual taxable income: $21,705$ - Annual tax before medical credit: $42,267$ - Annual tax after medical credit: $34,907.20$ Since no formulas or data were provided, these answers are selected based on typical tax calculation logic and the options given.