Richardson Ski Racing (RSR) sells equipment needed for downhill ski racing. One of RSR's products is fencing used on downhill courses. The fence product comes in 150-foot rolls and sells for $215 per roll. However, RSR offers quantity discounts. The file contains 172 orders that have arrived for the coming six weeks.

Quantity Ordered
From	To	Price per Roll
1	50	$215
51	100	$195
101	200	$175
201	and up	$155

a. Use the VLOOKUP function with the preceding pricing table to determine the total revenue from these orders.

b. Use the COUNTIF function to determine the number of orders in each price bin.