need help with these! please show the work so i better understand how you are getting these! will thumbs up!

a. calculate the cost of coffee beans per ounce of coffee sold.

b. calculate the cost of cups. lids, sleeves, cream and sugar per hnit for small, medium, and large cups of coffee and in total.

he Daily Grind uses a specialty brand of Kona coffee beans costing $8 per pound. Each pound of coffee beans produces 256 ounces of coffee. Coffee is sold in three sizes: a small cup holding 8 ounces, a medium cup holding 12 ounces, and a large cup holding 16 ounces. The cups needed to serve the coffee cost $.05 for the small cup, $.06 for the medium cup, and $.07 for the large cup. Lids cost $.03 per cup and are the same regardless of cup size. Sleeves cost an additional $.04 per cup. On average, sugar and cream cost $.02 per cup for small cups, $.03 for medium cups, and $.04 for large cups