ΠΩΣ ΝΑ ΥΠΟΛΟΓΙΣΩ ΚΑΘΕ ΠΟΤΕ ΣΥΜΠΛΗΡΩΝΩ ΜΗΝΑ

Question

&Kappa;&alpha;&lambda;&eta;&sigma;&pi;έ&rho;&alpha; &Gamma;&iota;&alpha;&tau;&rho;έ,    Έ&iota;&mu;&alpha;&iota; έ&gamma;&kappa;&upsilon;&omicron;&sigmaf; 10 &epsilon;&beta;&delta;&omicron;&mu;ά&delta;&omega;&nu; &kappa;&alpha;&tau;ά &tau;&alpha; &lambda;&epsilon;&gamma;ό&mu;&epsilon;&nu;&alpha; &tau;&omicron;&upsilon; &gamma;&iota;&alpha;&tau;&rho;&omicron;ύ &mu;&omicron;&upsilon;.  &Tau;&epsilon;&lambda;&epsilon;&upsilon;&tau;&alpha;ί&alpha; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron;&sigmaf; 15/11/2015.  &Pi;&Eta;&Tau; 21/08/2016.    &Mu;&pi;&omicron;&rho;&epsilon;ί&tau;&epsilon; &pi;&alpha;&rho;&alpha;&kappa;&alpha;&lambda;&omega; &pi;&omicron;&lambda;ύ &nu;&alpha; &mu;&omicron;&upsilon; &pi;&epsilon;ί&tau;&epsilon; &pi;&omega;&sigmaf; &nu;&alpha; &upsilon;&pi;&omicron;&lambda;&omicron;&gamma;ί&zeta;&omega; &kappa;ά&theta;&epsilon; &pi;ό&tau;&epsilon; &alpha;&lambda;&lambda;ά&zeta;&omega; &mu;ή&nu;&alpha;?  &Delta;&epsilon;&nu; &xi;έ&rho;&omega; &pi;&omega;&sigmaf; &nu;&alpha; &tau;&omicron; &upsilon;&pi;&omicron;&lambda;&omicron;&gamma;ί&sigma;&omega;.    &Epsilon;&upsilon;&chi;&alpha;&rho;&iota;&sigma;&tau;ώ &pi;&omicron;&lambda;ύ.    &Mu;&epsilon; &epsilon;&kappa;&tau;ί&mu;&eta;&sigma;&eta; &Epsilon;.&Kappa;