Clearly indicate in your answers whether the following statements are TRUE or FALSE and then provide an appropriate explanation to justify your answer (approximately100 words):
1: Suppose the residents of Bernai Island spend all their income on bananas, mangos and pineapples. In 2018, they buy 60 Pineapples for $100, 54 mangos for $120 and 510 bananas for $90. In 2019 they buy 55 pineapples for $200, 65 mangos for $150 and 510 bananas for $150. If the base year is assumed to be 2018, then the inflation rate in 2019 is 53.8%.
2018 | 2019 | ||||||
P1 | Q | TE | P2 | P2*Q | |||
Bananas | 0.18 | 510 | 90 | 0.29 | 150.0 | 510 | 150 |
Mango | 2.22 | 54 | 120 | 2.31 | 124.6 | 65 | 150 |
Pineapple | 1.67 | 60 | 100 | 3.64 | 218.2 | 55 | 200 |
Total Expenditure | 310 | 492.8 | 500 | ||||
CPI | 100 | 158.97 | |||||
Inflation Rate | 58.97 |
The CPI for 2019 is 158.97 and the inflation rate = (CPI2019/CPI2018-1)*100 = 58.97 Percent (the given value is not correct)
The price for the year 2019 is calculated as per-unit cost of buying the fruits. P2 = TE2019/Q2019. To arrive at the inflation rate we took the same quantity in both years.
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