OKAY	=	100 points	presentation was made
SKIP	=	80 points	student declined presentation
NULL	=	60 points	student was absent

Month	Mon	Wed	Fri
January
	03	05	07
	10	12	14
	17	19 OKAY	21 OKAY
	24	26	28
	31
February
		02	04 OKAY
	07 SKIP	09	11
	14	16	18 NULL
	21	23	25 OKAY
	28
March
		01	03
	06	08	10
	13	15	17
	20 NULL	22 NULL	24
	27 NULL	29	31
April
	03	05	07
	10	12	14
	17	19	21
	24	26	28