Only if there are two of the above-mentioned grounds, the seller has the right to issue a retro-discount as a special kind of retro bonuses.
Kuphela uma kukhona ngezizathu ezimbili eziphawulwe ngenhla umdayisi angakhipha Retro-isaphulelo njengoba okwakuvela ohlotsheni olukhethekile lwenkanyezi Retro-amabhonasi.