Revise the following sentences to eliminate flabby expressions.
a. We are sending a revised proposal at this point in time due to the fact that building costs have jumped at a considerable rate.
b. In the normal course of events, we would seek additional funding; however, in view of the fact that rates have increased, we cannot.
c. In very few cases has it been advisable for us to borrow money for a period of 90 or fewer days.
d. Inasmuch as our Web advertising income is increasing in a gradual manner, we might seek a loan in the amount of $50,000.
e. Despite the fact that we have had no response to our bid, we are still available in the event that you wish to proceed with your building project.