Rewrite these sentences to reflect your audience's viewpoint:

a$.$ Your email order cannot be processed; we request that you use the order form on our website instead.

b$.$ We insist that you always bring your credit card to the store.

c$.$ We want to get rid of all our $15-$inch LCD screens to make room in our warehouse for the new $19-,23-,$ and $35-$inch monitors. Thus, we are offering a $25$ percent$)\{$discount on all sales of $15-$inch models this week.

d$.$ I am applying for the position of bookkeeper in your office. I feel my grades prove that I am bright and capable, and I think I can do a good job for you.

e$.$ As requested, we are sending the refund of $$25.$

f$.$ If you cared about doing a good job, you would've made the extra effort required to learn how to use the machinery properly.