Complex sentence: The retail price of "East Touch" rose from HK $3 in the 1st issue to HK $5 in the 11th issue in order to show its real strength and worthiness within the market, the editorial board claimed.
Split into simpler sentences: The retail price of "East Touch" was HK $3 in the 1st issue. The price rose to HK $5 in the 11th issue in order to show its real strength and worthiness within the market, the editorial board claimed.