The amount of money William made this year is $2,728
Amount earned babysitting this year = $620
Percentage increase = 340%
Amount William made this year = 620 + (340% × 620)
= 620 + (3.4 × 620)
= 620 + 2,108
= 2,728
Amount William made this year = $2,728
Therefore, the amount of money William made this year is $2,728
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