Estimate by Rounding as Indicated $\$ 2400$ ; Exact $\$ 2700$ B) Estimate

Estimate by rounding as indicated.
-Lisa stashed in an envelope on her dresser $446 each week for 6 weeks. Estimate the total amount she saved by rounding the weekly amount to the nearest hundred. Also find the exact amount she saved.

A) Estimate: $\$ 2400$ ; exact: $\$ 2700$
B) Estimate: $\$ 2400$ ; exact: $\$ 2676$
C) Estimate: $\$ 2700$ ; exact: $\$ 2676$
D) Estimate: $\$ 2700$ ; exact: $\$ 2700$