| Property, plant and equipment |
| |
|
Estimated |
|
|
November
30, |
|
|
February
28, |
|
| |
|
Useful
Life |
|
|
2018 |
|
|
2018 |
|
| |
|
(years) |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| Building |
|
30 |
|
|
$ |
1,863,982 |
|
|
$ |
1,935,423 |
|
| Land |
|
indefinite |
|
|
|
230,390 |
|
|
|
239,239 |
|
| Building
improvements |
|
5 |
|
|
|
380,174 |
|
|
|
377,253 |
|
| Machinery
and equipment |
|
3 – 8 |
|
|
|
3,380,317 |
|
|
|
2,189,195 |
|
| Office
equipment and furniture |
|
8 |
|
|
|
115,925 |
|
|
|
101,756 |
|
| Property,
plant and equipment, gross |
|
|
|
|
|
5,970,788 |
|
|
|
4,842,866 |
|
| Less:
accumulated depreciation |
|
|
|
|
|
(937,014 |
) |
|
|
(805,963 |
) |
| Property,
plant and equipment, net |
|
|
|
|
$ |
5,033,774 |
|
|
$ |
4,036,903 |
|
|