1.There are three main economic systems, namely the market economic system, the centralized economic system and the mixed economic system. The mixed economic system is widely applied in the world because each country's economy still needs the government to intervene in the economy, so that the economy can continue to run in balance. a. From the mixed economic system used in Indonesia, what is the role of the government in the economic system? Explain! b. Draw a three-sector economic model chart and give your analysis!

2.A consumer buys apples and the total use value of eating apples is indicated by the following table The number of

The number of Consumedapples	Total Use Value	Marginal Use Value
0	0
1	25
2	48
3	65
4	75
5	83
6	87
7	89
8	90
9	89
10	85
11	78

From the table above, please do the following questions: a. Determine the marginal utility of eating an apple in the unfilled column and give the analysis! b. Draw a graph of the total use value and marginal use value for apples and explain graphic image.

3.A manufacturer wants to produce a certain quantity of a product. To produce these goods, He uses the required combination of labor and capital. The production produces 2,000 units of goods and requires a combination of capital and labor. Do the questions below: a. From these data, determine the combination in tabular form between labor and capital. Draw the isoquant curve formed from the combination and give the analysis! b. If the manufacturer wants to produce 2000 units at a total cost of $600 with labor costs $20/unit and capital costs $25/unit, make a table of the combined use of labor and capital along with their analysis, and draw the isocost curve!

4.Presented production cost data in the short term (In Thousands of Rupiah): number of workers Amount of Production Total Fixed Cost

number of workers	Amount of Production	Total Fixed Cost
0	0	60
1	2	60
2	6	60
3	12	60
4	20	60
5	27	60
6	33	60
7	38	60
8	42	60
9	45	60
10	47	60
11	48	60

From the data above, please do: i. Calculate the following production costs: a. Total change fee (TVC) b. Total cost (TC) c. Marginal cost (MC) d. Average fixed cost (AFC) e. Average changing cost (AVC) f. Average total cost (AC) ii. Create different columns and calculate the maximum profit in the short run on perfectly competitive market: a. Total Revenue (TR) b. Average Income (AR) c. Additional Income (MR) d. Profit ()