According to this next info:

Forecast in millions of dollars of the sales of Cervecera Cactus S.A. of C.V.
Month	2012	2013	2014	2015	2016	2017	2018
January	200	204	208	212	216	171	224
February	250	255	260	265	271	226	282
March	270	275	281	287	292	247	304
April	290	296	302	308	314	269	327
May	320	326	333	340	346	301	360
June	350	357	370	377	385	340	401
July	342	352	358	364	373	328	408
August	330	338	343	350	360	315	375
September	310	316	323	329	336	291	349
October	280	286	291	297	303	258	315
November	250	255	260	265	271	226	280
December	210	214	218	223	227	182	236
Total

1. Make a monthly forecast from January to December for 2019 using moving averages of size 3
2. Make a monthly forecast from January to December for 2019 using exponential smoothing with alpha equal to 0.3

Thank you guys