draw using forward and backward pass to determine project duration and critical path for these activities, with first 2 activities starting from 0 ,Research and conceptualization (1 week, $500), Sketching and prototyping (2 weeks, $1,000), Material selection (1 week, $500), Manufacturing (4 weeks, $2,500), Cost estimation (1 week, $500), Production planning (1 week, $500), Quality control planning (1 week, $500), Packaging (1 week, $500), Marketing and sales planning (1 week, $500), Website development (2 weeks, $1,000), Photography (1 week, $500), and Trade show participation (2 weeks, $1,000).