During May of the current year, a company discovered that their bookkeeper had recorded the cost of goods sold for the previous year ended December $31$ as only $$20,200$ when it was actually $$202,000.$ Assume the year end has already been completed. What is the impact on cost of goods sold for last year?Select one: a$.$ The cost of goods sold is overstated by $$222,200$b$.$ The cost of goods sold is understated by $$222,200$c$.$ The cost of goods sold is overstated by $$181,800$d$.$ The cost of goods sold is understated by $$181,800$