Ribeiro Company uses the FIFO method. Using the information provided, what is the unit cost of the 44 units remaining in inventory at month end? 

• Beginning of the month: 70 units of Product 84K, each costing $31

• Week 1: Buys 34 units for $32 each

• Week 2: Buys 50 units for $33 each 

• Week 4: Sells 110 units for $85 each.