The price-quantity relationship has beenestimated for a new

The price-quantity relationship has beenestimated for a new prostate cancer blood test; Q = 4,000 – (20 x P). Use aspreadsheet to calculate the quantity demanded and total spending for pricesranging from $200 to $0, using $50 increments. For each $50 drop in price,calculate the change in revenue, the change in volume, and the additionalrevenue per unit. (Call the additional revenue per unit marginal revenue.)