4. Resource Leveling. According to the early start schedule (without resource-leveling), what is the maximum or "peak" number of resources (R) used in a single day during the project? After resource leveling, what is the maximum number of resources (R) used in a single day during the project? Activity Predecessor Duration Resource (R) A - 3 2 B A 7 6 C A 3 6 D A 3 6 E A 1 4 F B, C, D, E 3 8 G F 4 4 H G 3 3