Walter decides it would be an acceptable use of Marjories time to let her run some cost analyses on three key aspect of his landscaping jobs, equipment hours, number of large trees in the project, and direct labor. data is avaliable for the past 3 years, even though walter has never taken the time to run the analysis himself. Marjorie gathers the following data -

Specifcy the recommended model -

Y = ($ (BLANK) x Equipment hours) + ($ BLANK x DL hours) + $ BLANK

please fill in the blanks

\begin{tabular}{|c|c|c|c|c|c|} \hline Year & Month & Equipment Hours & Number of Large Trees & DL Hours & Landscaping Cost \\ \hline 1 & 1 & 120 & 10 & 500 & $18,000 \\ \hline 1 & 2 & 85 & 9 & 450 & 13,500 \\ \hline 1 & 3 & 105 & 8 & 300 & 8,250 \\ \hline 1 & 4 & 125 & 12 & 550 & 15,000 \\ \hline 1 & 5 & 90 & 5 & 475 & 11,250 \\ \hline 1 & 6 & 110 & 10 & 250 & 9,300 \\ \hline 1 & 7 & 135 & 8 & 400 & 11,250 \\ \hline 1 & 8 & 105 & 7 & 400 & 20,250 \\ \hline 1 & 9 & 145 & 10 & 225 & 14,250 \\ \hline 1 & 10 & 130 & 10 & 550 & 24,000 \\ \hline 1 & 11 & 150 & 13 & 625 & 21,000 \\ \hline 1 & 12 & 155 & 6 & 350 & 14,250 \\ \hline 2 & 1 & 85 & 8 & 460 & 19,800 \\ \hline 2 & 2 & 95 & 7 & 575 & 14,850 \\ \hline 2 & 3 & 115 & 9 & 310 & 9,075 \\ \hline 2 & 4 & 135 & 10 & 450 & 16,500 \\ \hline 2 & 5 & 100 & 6 & 485 & 12,375 \\ \hline 2 & 6 & 120 & 11 & 260 & 10,230 \\ \hline 2 & 7 & 145 & 9 & 410 & 12,375 \\ \hline 2 & 8 & 115 & 8 & 410 & 22,275 \\ \hline 2 & 9 & 105 & 11 & 235 & 15,675 \\ \hline 2 & 10 & 140 & 11 & 560 & 26,400 \\ \hline 2 & 11 & 100 & 12 & 635 & 23,100 \\ \hline 2 & 12 & 80 & 7 & 360 & 15,675 \\ \hline 3 & 1 & 242 & 9 & 600 & 24,010 \\ \hline 3 & 2 & 171 & 7 & 585 & 18,070 \\ \hline 3 & 3 & 103 & 10 & 320 & 13,800 \\ \hline 3 & 4 & 224 & 8 & 460 & 20,050 \\ \hline 3 & 5 & 124 & 7 & 285 & 15,100 \\ \hline 3 & 6 & 270 & 12 & 660 & 24,500 \\ \hline 3 & 7 & 114 & 5 & 240 & 18,500 \\ \hline 3 & 8 & 262 & 9 & 420 & 26,980 \\ \hline 3 & 9 & 257 & 12 & 245 & 19,060 \\ \hline 3 & 10 & 240 & 8 & 570 & 28,400 \\ \hline 3 & 11 & 180 & 7 & 645 & 27,970 \\ \hline 3 & 12 & 144 & 8 & 650 & 19,060 \\ \hline \end{tabular}