Match the correct answers based on the cash flow diagram shown below: 0 1 2 3 4 5 6 7 S50 $50 $50 $70 $90 $110 $130 Cash flow diagram represents Choose... PG = 20(P/G, 1,6) PG = 20(P/G,1,5) Arithmetic Gradient 1 Shifted Arithmetic Gradient $50 2 First A starts at na The base amount annual series is: PG is calculated using: Choose. pe