Please Help. How to restart running total if given condition is satisfied

Dear all, I am Stuck in this. Please Help

I want to restart the running total of column 'A' in column 'B' if the value in condition column 'C' is more than 0. the required result is shown in objective column 'D'

A B C D
Data Runnnin TOTAL CONDITION Objective
111 111 0 111
255 366 0 366
212 578 0 578
13285.8 13863.8 0 13863.8
9341.25 23205.05 0 23205.05
5539.55 28744.6 0 28744.6
10808.75 39553.35 0 39553.35
2186.4 41739.75 974.38375 2186.4
2269.8 44009.55 0 4456.2
0 44009.55 0 4456.2
0 44009.55 0 4456.2
9603.5 53613.05 0 14059.7
11649.2 65262.25 0 25708.9
5610.6 70872.85 0 31319.5
2241 73113.85 671.5825 2241
0 73113.85 0 2241
0 73113.85 0 2241
0 73113.85 0 2241
6224.75 79338.6 0 8465.75
2563.4 81902 0 11029.15
6395.75 88297.75 0 17424.9
0 88297.75 0 17424.9
12904.35 101202.1 435.6225 12904.35
0 101202.1 0 12904.35
0 101202.1 0 12904.35
0 101202.1 0 12904.35
6881.85 108083.95 0 19786.2
13545.2 121629.15 0 33331.4
555554 677183.15 510.67625 555554
13571.4 690754.55 0 569125.4
6490 697244.55 0 575615.4
12527.9 709772.45 0 588143.3
0 709772.45 0 588143.3
12758.2 722530.65 0 600901.5
12358.3 734888.95 0 613259.8
0 734888.95 0 613259.8
6311.75 741200.7 0 619571.55
6273.8 747474.5 0 625845.35
12416.15 759890.65 0 638261.5
12109.75 772000.4 0 650371.25
11766.85 783767.25 0 662138.1
11557.05 795324.3 0 673695.15
11389.5 806713.8 0 685084.65
0 806713.8 0 685084.65
0 806713.8 0 685084.65
54554 861267.8 3238.26625 54554
2 861269.8 0 54556
12 861281.8 0 54568
0 861281.8 0 54568
2657 863938.8 0 57225
2647.9 866586.7 0 59872.9
58884 925470.7 132.6225 58884
46 925516.7 0 58930
312 925828.7 0 59242
0 925828.7 0 59242
3071.1 928899.8 0 62313.1
12203.25 941103.05 0 74516.35
0 941103.05 0 74516.35
15089.65 956192.7 381.85875 15089.65
0 956192.7 0 15089.65
0 956192.7 0 15089.65
16412.15 972604.85 0 31501.8
0 972604.85 0 31501.8
0 972604.85 0 31501.8
3473.4 976078.25 0 34975.2
8761.35 984839.6 0 43736.55
8667.45 993507.05 0 52404
8573.05 1002080.1 0 60977.05
8479.7 1010559.8 1524.42625 8479.7
3383.4 1013943.2 0 11863.1
4445 1018388.2 296.5775 4445
55 1018443.2 0 4500
0 1018443.2 0 4500
17532.5 1035975.7 0 22032.5
3492.2 1039467.9 438.3125 3492.2
0 1039467.9 0 3492.2
9234.9 1048702.8 0 12727.1
5555 1054257.8 318.1775 5555
9341.2 1063599 0 14896.2
3778.1 1067377.1 233.53 3778.1
18676.05 1086053.15 0 22454.15
9270.7 1095323.85 561.35375 9270.7
0 1095323.85 0 9270.7
18995.35 1114319.2 231.7675 18995.35
0 1114319.2 0 18995.35
0 1114319.2 0 18995.35
4663.5 1118982.7 0 23658.85
17490 1136472.7 0 41148.85
0 1136472.7 0 41148.85
21448.8 1157921.5 0 62597.65
10546.55 1168468.05 0 73144.2
0 1168468.05 0 73144.2
21443.75 1189911.8 0 94587.95
0 1189911.8 0 94587.95
55555 1245466.8 1889.815 55555
2222 1247688.8 0 57777
0 1247688.8 0 57777
22468.25 1270157.05 0 80245.25
4475.4 1274632.45 561.70625 4475.4
22168.75 1296801.2 0 26644.15
4389.1 1301190.3 666.10375 4389.1
10979.3 1312169.6 0 15368.4
10915.5 1323085.1 0 26283.9
0 1323085.1 0 26283.9
11451.15 1334536.25 0 37735.05
0 1334536.25 0 37735.05
22975.85 1357512.1 559.16625 22975.85
17214.15 1374726.25 0 40190
21176.45 1395902.7 0 61366.45
16189.05 1412091.75 0 77555.5
9998 1422089.75 0 87553.5
19731.55 1441821.3 0 107285.05
19299.75 1461121.05 0 126584.8
0 1461121.05 0 126584.8
0 1461121.05 0 126584.8
20008.95 1481130 0 146593.75
0 1481130 0 146593.75
0 1481130 0 146593.75
4110.3 1485240.3 0 150704.05
20037.6 1505277.9 0 170741.65
4035.4 1509313.3 4268.54125 4035.4
9992.15 1519305.45 0 14027.55
19725.8 1539031.25 0 33753.35
14795.4 1553826.65 0 48548.75
18183.95 1572010.6 0 66732.7
0 1572010.6 0 66732.7
18226.9 1590237.5 0 84959.6
13872.75 1604110.25 0 98832.35
0 1604110.25 0 98832.35
0 1604110.25 0 98832.35
2121 1606231.25 2470.80875 2121
121 1606352.25 0 2242
455 1606807.25 0 2697
888888 2495695.25 0 891585


THANKS A LOT

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