I understand what do you want to say, and I assure you that I will do it perfectly.
I have the skill to do that, as my writing speed is 40 wpm with accuracy 100%
I am working 7 hours a day, and this can go further according to the job.
If you have any questions, do not hesitate to contact my on my e-mail or my phone number, I am always available.
Thank you for reading my proposal, and I assure you that choosing me will be the right decision.