Table :
"","","Fiscal Year Ended",""
"","December 28, 2019","December 29, 2018","December 30, 2017"
"","","(Dollars in thousands)",""
"Interest income","$2,714","$1,356","$548"
"Weighted average balance of cash and investments","$179,526","$138,467","$124,637"
"Weighted average yield on cash and investments  ","2.05 %","1.51 %","0.84 %"
"Interest expense","$1,915","$3,314","$4,491"
"Average debt outstanding","$56,776","$90,086","$127,598"
"Weighted average interest rate on debt","4.09 %","3.98 %","3.07 %"

Question : What is the change in Interest income from Fiscal Year Ended December 28, 2019 to December 29, 2018?

```Python
interest_income_2019 = 2714
interest_income_2018 = 1356
change = interest_income_2019 - interest_income_2018
print(change)


Table :
"","","Fiscal Year Ended March 31",""
"","2017","2018","2019"
"Domestic","$75,659","$85,263","$215,573"
"Foreign","99,290","107,050","117,670"
"Total","$174,949","$192,313","$333,243"

Question : What is the percentage change in total income between 2018 and 2019?

```Python
 Respond with at most 350 words.
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