Help pls

Suppose for simplicity the Canadian economy produces 3 types of goods and services. These are beef, fish, and transportation services. Given are their prices and quantity produced in the year 2017 and 2018. Year 2017 (base year) 2018 Price $ Quantity Price $ Quantity beef 5 30 6 40 fish 10 30 11 20 Transportation 2 50 2 60 services After how many years the Canadian economy will be able to double its national income? Select one: O a. 10.65 years O b. 20.56 years O c. 20.53 years O d. 70 years O e. 35.26 years