Karrie is a golf pro, and after she paid taxes, her income from golf and interest from financial assets was $1,500,000 in 2013. At the beginning of 2013, she owned $900,000 worth of financial assets. At the end of 2013, Karrie’s financial assets were worth $1,900,000. 

a. How much did Karrie save during 2013? 

b. How much did she spend on consumption goods and services?