Tom Is Willing to Contribute $400 Toward Building a Public

Tom is willing to contribute $400 toward building a public park,Jack is willing to contribute $500,and Joe is willing to contribute $750.What is the total value of the park if Tom,Jack,and Joe are the only residents in the neighborhood where the park is being built?

A) $1,650
B) $1,050
C) $3,300
D) $2,350