Need someone to graphically design powerpoint presentation

Need someone to graphically design PowerPoint presentation Need someone to visually enhance and graphically design a PPT file (which has the content and rough layout). It has 19 slides. It is a startup pitch deck. Yes, Attaching the raw PPT. How long will you take to deliver the work? Also, can you design 1-2 slides as sample and share so that I can decide easily. I have such projects every week. i need 3 slide of sample from raw ppt just for know the creativity of the designer purpose is startup pitch deck color theme is logo type orange and black raw ppt is already attached is is weekly project ongoing