Presented below is information related to novak corporation for the last 3 years. base-year cost current-year cost item quantities in ending inventories unit cost amount unit cost amount december 31, 2019 a 11,500 $2.00 $23,000 $2.20 $25,300 b 6,500 3.00 19,500 3.55 23,075 c 4,000 5.00 20,000 5.40 21,600 totals $62,500 $69,975 december 31, 2020 a 11,500 $2.00 $23,000 $2.60 $29,900 b 9,300 3.00 27,900 3.75 34,875 c 6,500 5.00 32,500 6.40 41,600 totals $83,400 $106,375 december 31, 2021 a 10,500 $2.00 $21,000 $2.70 $28,350 b 10,500 3.00 31,500 4.00 42,000 c 6,500 5.00 32,500 6.20 40,300 totals $85,000 $110,650 compute indexes. (round price index to 2 decimal places, e. g. 1.62.)