Thanks, all your observations are noted.
However, i couldn't do the power up before i posted this article due to poor network that affected all my efforts to do so at that point in time, but then, i have succeeded at last in doing the power up in support of club5050, as indicated in the screenshots below. As can be seen from the screenshots, i powered up 7.5 steem. Thanks once again for your understanding and kind consideration.

Ist process:

2nd process:

3rd process:

4th process:

And so at this final point, the power up was successfully done.