Consider the road job described in the figure below, which consists of 14 road sections to be completed. The objective chart for this job is given below. Assume that each month consists of 20 working days on the average. The program chart for this process is also shown below. Calculate the line of balance for the study representing the beginning of month 4 (i.e., day to right of number 3). Rough Grade 1 2 3 4 5 6 7 8 Finish Grade 12 APR MAY to JUN 7 8 JUL 9 10 11 12 13 14 4151617181 9 10 11 12 13 14 Aggregrate Base 110 111 1213 14 7 81 9 10 11 12 13 14 12 13 14 5 61 7181 9 10 11 4 5 6 7 81 9 10 11 12 13 14 3 314151617181 5 Concrete 1 2 3 4 5 6 9 Concrete 4 1 2 3 AUG (a) Curbs 1 2 SEP 9 10 (b) 12 OCT NOV DEC JAN FEB MAR Lead Time in working days Sections 15 14 80 54 13 12 11 32 16987 10 6543 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Months Rough Grade Finish Grade 25 55 20 35 Agg. Base 5* Concrete 9" Concrete 15 7 20 Program Chart 13 8 5 Curbs 5