Answer:
The GDP for year 1, year 2, and year 3 is $12, $20 and, $30 respectively.
Step-by-step explanation:
The nominal GDP is the value of goods and services produced in an economy in a year.
Here, the economy produces only chocolate bars. So we can find nominal GDP by calculating the value of chocolate bars produced in each year.
Nominal GDP for year 1
=
![Price\ *\ Quantity](https://img.qammunity.org/2020/formulas/business/college/1udclyanj0f0i01s8tcttg3ckn98blt0gr.png)
=
![3\ *\ 4](https://img.qammunity.org/2020/formulas/business/high-school/ef679hzbsq9tnfnufd8tqm3eq53c3yikq4.png)
=$12
Nominal GDP for year 2
=
![Price\ *\ Quantity](https://img.qammunity.org/2020/formulas/business/college/1udclyanj0f0i01s8tcttg3ckn98blt0gr.png)
=
![4\ *\ 5](https://img.qammunity.org/2020/formulas/business/high-school/y840yv4jbk29josyjlwt2iecuo6cqueepj.png)
=$20
Nominal GDP for year 3
=
![Price\ *\ Quantity](https://img.qammunity.org/2020/formulas/business/college/1udclyanj0f0i01s8tcttg3ckn98blt0gr.png)
=
![5\ *\ 6](https://img.qammunity.org/2020/formulas/business/high-school/txigb7yjdzrh6eh02fzta9pt4cmltfcndr.png)
=$30