Riverland Shoes and Boots Inc. manufactures three styles of steel-toed work boots. They are currently transitioning to the ABC method of costing. They are currently working on calculating the cost driver rate. What formula would they be using to calculate the rates needed to assign MOH to the boots? Select answer from the options below Dollars of activity costs/cost driver rate Dollars of activity costs/ number of cost driver Number of cost driver/dollars of activity costs Dollars of applied MOH/dollars of activity costs