The inventory records for Radford Company reflected the following

Beginning inventory on May $1100$ units @ $$4\mathrm{.}00$

First purchase on May $7300$ units @ $$4\mathrm{.}40$

second purchase on May $17500$ units @ $$4\mathrm{.}60$

Third purchase on May $23100$ units @ $$4\mathrm{.}80$

Sales on May $31900$ units @ $$7\mathrm{.}80$

What is the amount of gross margin assuming the weighted average cost flow method is used?

Multiple Choice

$$2,412$

$$2,970$

$$1,314$

$$3,015$