1. The problem involves calculating simple interest and understanding bearings. 2. Simple interest is calculated using the formula $$SI = P \times r \times t$$ where $P$ is the principal, $r$ is the rate of interest per year (in decimal), and $t$ is the time in years. 3. Bearings are directions measured clockwise from the north line. 4. To solve a specific problem, identify the principal, rate, and time for interest calculation. 5. For bearings, convert the given direction into degrees clockwise from north. 6. Apply the simple interest formula to find the interest. 7. Use the bearing information to determine direction or position as required. Since the problem statement is general, please provide specific values or questions for detailed calculations.