What is the correct way to write sentences 27 and 28?

Question

That summer was one of the busiest we've ever had, the money my sisters and I made helped
pay the water, electric, and gas bills.
B While that summer was one of the busiest we've ever had. The money my sisters and I made
helped pay the water, electric, and gas bills.
It was one of the busiest we've ever had. Because the money my sisters and I made that
summer helped pay the water, electric, and gas bills.
The sentences are written correctly in the paper.

Answer 1

The correct way to write sentences 27 and 28 can be improved for clarity and flow. Here are the revised versions:

27. That summer was one of the busiest we've ever had, and the money my sisters and I made helped pay for the water, electric, and gas bills.

28. It was one of the busiest summers we've ever had. The money my sisters and I made that summer helped cover the expenses for water, electricity, and gas bills.