div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-an-analysis-of-marginal-revenue-and-marginal-cost-for-the-promotion-period-comparedhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: ciasuccessfileswordpresscomAn analysis of marginal revenue and marginal cost for the promotion period compared to the period before the promotion A comparison of the unit cost loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer20220403085f0a62187e708231d42b5e1dhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document-an-analysis-of-marginal-revenue-and-marginal-cost-for-the-promotion-period-comparedhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: ciasuccessfileswordpresscomAn analysis of marginal revenue and marginal cost for the promotion period compared to the period before the promotion A comparison of the unit cost loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer20220403085f0a62187e708231d42b5e1dhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document-an-analysis-of-marginal-revenue-and-marginal-cost-for-the-promotion-period-comparedhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: ciasuccessfileswordpresscomAn analysis of marginal revenue and marginal cost for the promotion period compared to the period before the promotion A comparison of the unit cost loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...