Macroeconomics 11th Edition by Michael Parkin

Exercise 7

Karrie is a golf pro, and after she paid taxes, her income from golf and interest from financial assets was $1,500,000 in 2012. At the beginning of 2012, she owned $900,000 worth of financial assets. At the end of 2012, Karrie's financial assets were worth $1,900,000.
a. How much did Karrie save during 2012?
b. How much did she spend on consumption goods and services