Find the price-demand equation for a particular brand television when the demand is 20 TVs per week at $150 per TV, given that t
he marginal price-demand function, p′(x), for x number of TVs per week, is given as p′(x)=−0.5e−0.01x. If 100 TVs are sold per week, what should the price be? Round your answer to the nearest hundredth and do not include a dollar sign in your answer.