How can I answer the following question please?

The questions are based on the following table. Round all your answers to the nearest second decimal. Year Quarter Data Trend Detrended Cyclical Low Seasonal Adjusted 1990 3 1106 1117.63 -11.63 3.35 1120.98 -7.74 1113.74 1990 4 1123 1121.88 13.11 1134.99 -14.59 1137.59 1991 1113 1126.14 -13.14 9.64 1135.78 -10.59 1123.59 1991 N 1178 1130.42 47.58 10.77 1141.19 32.92 1145.08 1991 W 1159 1134.71 24.29 7.87 1142.58 -7.74 1166.74 1991 4 1133 1139.02 -6.02 17.77 1156.79 -14.59 1147.59 1992 1130 1143.34 -13.34 1152.18 -10.59 1140.59 1992 2 1184 1147.68 36.32 8.70 1 156.38 1151.08 1992 W 1155 1152.04 2.96 9.15 1161.19 7.74 1162.74 1992 1180 1156.41 23.59 16.97 1173.38 -14.59 1194.59 1993 1157 1160.8 -3.80 5.19 1165.99 -10.59 1167.59 1993 N 1191 1165.2 25.80 -0.82 1164.38 32.92 1158.08 1993 3 1147 1169.62 -22.62 -12.63 1156.99 -7.74 1154.74 a. What is the missing value in the Detrended column? b. What is the missing value in the Cyclical column? c. What is the missing value in the Seasonal column