Del bosque co. began using dollar-value lifo for costing its inventory two years ago. the ending inventory for the past two years in end-of-year dollars was $100,000 and $150,000 and the year-end price indices were 1.0 and 1.2, respectively. assuming the current inventory at end of year prices equals $215,000 and the index for the current year is 1.25, what is the ending inventory using dollar-value lifo?

(a) $177,500.
(b) $186,400.
(c) $190,000.
(d) $188,750.