On april 1, robert llc purchased two units of inventory, a and b. the cost of unit a was $655, and the cost of unit b was $555. on april 30, robert llc had not sold the inventory. the market value of unit a was now $670 while the market value of unit b was $470. the adjustment associated with the lower-of-cost-or-market method on april 30 will be: cost of goods sold 70 inventory 70 inventory 70 cost of goods sold 70 cost of goods sold 85 inventory 85 inventory 85 cost of goods sold 85