ID Activity Early Late Duration RT Start Start R2 R1 and R2 Requirement Requirement A Rate=10/day Define 0 4 Requirements 2 2 B Design 4 4 2 Application 2 C Draft User 4 10 2 W Manual N D Prepare 6 6 4 6 2 Code E Test Code 10 10 2 4 N F Correct Code 12 12 2 2 2 Based on information provided in the above table what is the peak resource demand for R1 using time constrain scheduleing (the duration must not change)