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:
| Device | Device type | Capacity [MB] | Avg seek time [ms] | Avg rotational delay [ms] | Avg transfer rate [kB/s] |
| --- | --- | --- | --- | --- | --- |
| 3214.0 | RAD | 2.75 | N/A | 8.5 | 647.0 |
| 7202.0 | RAD | .7 | N/A | 17.0 | 166.0 |
| 7203.0 | RAD | 1.4 | N/A | 17.0 | 166.0 |
| 7204.0 | RAD | 2.8 | N/A | 17.0 | 166.0 |
| 7232.0 | RAD | 6.0 | N/A | 17.0 | 355.0 |
| 3231.0 | Cartridge disk | 2.4removable | 38 | 12.5 | 246.0 |
| 3232.0 | Cartridge disk | 4.9removable | 38 | 12.5 | 246.0 |
| 3233.0 | Cartridge disk | 4.9 fixed 4.9removable | 38 | 12.5 | 246.0 |
| 3242.0 | Cartridge disk | 5.7removable | 38 | 12.5 | 286.0 |
| 3243.0 | Cartridge disk | 5.7 fixed 5.7removable | 38 | 12.5 | 286.0 |
| 7251.0 | Cartridge disk | 2.3removable | 38 | 12.5 | 225.0 |
| 7252.0 | Cartridge disk | 2.3 fixed 2.3removable | 38 | 12.5 | 225.0 |
| 3277.0 | Removable disk | 95 | 30 | 8.3 | 787.0 |
| 7271.0 | Removable disk | 46.8 | 35 | 12.5 | 245.0 |
Question:
What is the avg seek time for a device that is less than 3231?
Answer:
N/A