rational investment decisions but their decisions are usually influenced by several factors and restrictions; emotion, beliefs and biases, for example. Those factors and restrictions cause investors to

mutual fund. Such factors include emotion, personal belief and attitudes toward different channels of savings and investment. For example, some investors prefer low risk, principal guaranteed investment

. Notwithstanding, the market volume of Thai vitamin C drink appeared to enjoy a pleasant growth rate Revenue from sales by product group Unit: THB million 2019 % 2020 % Amount Percent Branded products by our own

channel to communicate with the customers promptly as well as to increase pleasant level and top impression for keep maintain the existing customer base together with the increase of new customers. ▪ Risks