Numbered dot (mainstream point) at 2025.3, between the 2025 and 2026 lines, nearer 2025 (read as 2025). Bar from 2021.1 to 2027.3: scientifically viable ~2021, financially viable ~2027. The bar reaches the outer edge of the grid (~2027), so financial viability may be at or after the chart end. Sub-area: Sensors.