Answer:
Option A is correct
Explanation:
Janice needs a tree stump removed. She offers 300 dollars or 40 dollars per hour. The estimated time is 7 to 8 hours.
But Steve the opposite party to the contract feels that the job may take longer time than expected Hence he must opt for more rate than 300 dollars offered.
Already he insisted that Janice to pay for the rental of any equipment needed to accomplish the job and this was agreed impliedly.
Hence the change to be made is only for the amount in the contract before signing.
.
a)Steve needs to increase the total cost from $300.00 to $500.00, would be the necessary correction before he signs and need not be considered as change.
b) is incorrect as already agreed impliedly
c) is incorrect as he estimates 500 dollars
d) Is incorrect since he already knew it would take more time.