Complete solution please

A company can use advertisement through one of the two media: radio or news. The weekly costs of advertisement in the two media are estimated at $400 and $350, respectively. The company can classify its sales volume during each week as either Fair, or Good. A summary of the transition probabilities associated with each advertising medium follows. Radio News F 0.6 0.4 F 0.5 0.5 [... G 0.3 0.7 G 0.4 0.6 And the corresponding weekly returns in (thousands of dollars) are Radio Newspaper F 400 750 F 600 875 G 600 1000 G 500 950 find the optimal advertisement policy over the next 3 weeks. For the infinite planning horizon, use the policy iteration method (without discounting) to find the optimal policy