We Indians often felt difficult to pay very high APCs of many good international journals. When we convert the dollars to rupee, it will be around 60-90K rupees.Consider many places in the country a scholar will get only 10K per month.how can they pay this much for a paper.The similar problems may be facing in other countries too.depending on the wealth of the country ,if the publishers have charged an APC.it may help a lot of researchers.