Dinah Co. includes one coupon with each container of cat food it sells. In return for eight coupons, customers receive a cat food bowl. The bowls cost $3 each. Dinah estimates that 40% of the coupons will be redeemed. Data for 2020 is as follows: Containers of cat food sold 500,000 Bowls purchased 18,000 Coupons redeemed 120,000 The premium expense for 2020 is $37, 500. $45,000. $52, 500. $75,000