The following units of a particular item were purchased and sold during the period:

Beginning inventory

40 units at $20

First purchase

50 units at $21

Second purchase

50 units at $22

First sale

110 units

Third purchase

50 units at $23

Second sale

45 units

What is the cost of the 35 units on hand at the end of the period as determined under the perpetual inventory system by the LIFO costing method

A. $715

B. $705

C. $700

D. $805