Final answer:
The Harry Johnson Tractor Company has completed the 'Implementation' phase of the international planning process, focusing on executing its marketing strategies and setting sales and profit projections in South Africa.
Step-by-step explanation:
The Harry Johnson Tractor Company has just completed the 'Implementation' phase of the international planning process. This phase involves putting the marketing plan into action, which encompasses the preparation of budgets, and setting sales and profit expectations. By completing this step, they have moved beyond the initial stages, such as Market Analysis, Product Development, and Distribution Strategy, and are now ready to execute the plan in South Africa.