Thread: Improvement of a sentence

Можете ли пожалуйста помочь мне улучшить "стильно" следующее выражение на английский. Это because думаю не подходит:

(V) Business Plan (Feasibility study)
The creation of a business plan is not indispensable for the submission of the application. Nevertheless it is highly recommended that the form is accompanied with a sophisticated business plan because it enhances the elements that show the sustainability of the company. The sustainability of the subsidy receives that 1/3 of the grading during the assessment of the application.

The creation of a business plan is not indispensable for the submission of the application. Nevertheless it is highly recommended that the form is accompanied with a sophisticated business plan because it enhances the elements that show the sustainability of the company. The sustainability of the subsidy receives that 1/3 of the grading during the assessment of the application.

"Because" is OK.
The sustainability of the subsidy makes 1/3 of the overall application assessment grade.