The following transactions take place in​ 2000:   

1. An elderly couple go to the movies and pay ​$150

for the tickets.
2. A family sells numerous​ knick-knacks at a garage sale for ​$125
.
3. A young executive buys 100 shares of IBM for ​$10 comma 000
.
4. A college student receives ​$800

from his parents.
5. A young couple down on their luck receive food stamps worth ​$230
.
6. A plumber performs work for a neighbor and receives ​$125

in cash that he​ doesn't record in his​ company's records.
7. A physician operates on a​ friend's husband and charges ​$2 comma 000

for the operation instead of her usual ​$5 comma 000
.
8. A teenager paints the porch on his​ parents' house. The paint cost ​$95
.
The cost of hiring a professional to do the job would have been ​$400
.
9. A high school graduate works a summer job and makes ​$7 comma 000
.
10. The Federal Reserve Bank sells a bond for ​$2 comma 000
.

11. A non-profit organization receives a donation of ​$500

.
12. A small business owner rents office space for ​$1,500

a month.
13. A person wins ​$1,000

in a raffle.
14. A couple gets married and spends ​$20,000

on the wedding.
15. A retiree withdraws ​$2,500

from their retirement account.
16. A company purchases a new piece of equipment for ​$25,000
.
17. A person buys a car for ​$12,000

using a loan from the bank.
18. A construction company completes a project and bills the client ​$50,000
.
19. A school district receives ​$1 million

in funding from the state government.
20. A homeowner pays ​$2,000

for property taxes.

Here are the step-by-step transactions:

1. An elderly couple go to the movies and pay $150 for the tickets.
- Transaction: Purchase of movie tickets
- Amount: $150

2. A family sells numerous knick-knacks at a garage sale for $125.
- Transaction: Sale of knick-knacks at a garage sale
- Amount: $125

3. A young executive buys 100 shares of IBM for $10,000.
- Transaction: Purchase of 100 shares of IBM
- Amount: $10,000

4. A college student receives $800 from his parents.
- Transaction: Receipt of money from parents
- Amount: $800

5. A young couple down on their luck receive food stamps worth $230.
- Transaction: Receipt of food stamps
- Amount: $230

6. A plumber performs work for a neighbor and receives $125 in cash that he doesn't record in his company's records.
- Transaction: Receipt of cash payment for plumbing work (unrecorded)
- Amount: $125

7. A physician operates on a friend's husband and charges $2,000 for the operation instead of her usual $5,000.
- Transaction: Charging reduced fee for a medical operation
- Amount: $2,000 (usual fee would have been $5,000)

8. A teenager paints the porch on his parents' house. The paint cost $95. The cost of hiring a professional to do the job would have been $400.
- Transaction: Painting the porch
- Amount spent: $95 (for paint)
- Amount saved: $400 (by not hiring a professional)

9. A high school graduate works a summer job and makes $7,000.
- Transaction: Earning money from a summer job
- Amount earned: $7,000

10. The Federal Reserve Bank sells a bond for $2,000.
- Transaction: Sale of a bond by the Federal Reserve Bank
- Amount: $2,000