The function value $A(t)$ gives the number of dollars in John's bank account after $t$ months. Selected values appear in the table below.
$t$|$A(t)$
:-:|:-:
$1$|$200$
$2$|$300$
$4$|$350$
$6$|$650$
$9$|$700$
**Use a trapezoidal sum with four subintervals to approximate the average amount in the account from months $1$ through $9$.**
[[☃ input-number 1]] dollars
*Round the answer to the nearest dollar.*