Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Technology | η (%) | V OC (V) | I SC (A) | W/m² | t (µm) |
| --- | --- | --- | --- | --- | --- |
| u c-Si | 24.7 | 0.5 | 0.8 | 63 | 100.0 |
| p c-Si | 20.3 | 0.615 | 8.35 | 211 | 200.0 |
| a-Si | 11.1 | 6.3 | 0.0089 | 33 | 1.0 |
| CdTe | 16.5 | 0.86 | 0.029 | – | 5.0 |
| CIGS | 19.5 | – | – | – | 1.0 |
| MJ | 40.7 | 2.6 | 1.81 | 476 | 140.0 |
Question:
What is the sum of t (µm), when Technology is MJ?
Answer:
140.0