In its year-end financial statements, Pillar Inc. reported the following (in millions): 2016 2015 Sales $37.766 $46,071 Cost of goods sold $28,309 $32,875 As a percentage of sales, did Pillar's gross profit increase or decrease during the year? Select one: O a. Gross profit increased from 71.4% to 75.0% O b. Gross profit increased from 25.0% to 28.6% O c. There is not enough information to answer the question. d. Gross profit decreased from 75.0% to 71.4% e. Gross profit decreased from 28.6% to 25.0% « Previous Save Answers Caterpillar 10-K Fi....pdf ^ 42593d88-fb6f-4a3.xls O Tune here to search O < 19 42593d88-fb6f-4a3...xds 27