Mutts Amazing Dogs has developed the following demand forecast for The Pitbull, a spicy concoction graced by pepperjack cheese, serrano, habanero, poblano and jalapeno peppers, onion, and a cilantro-lime aioli. They enter the planning period with 20 hotdogs in inventory as shown in Week 0 . A few customers have standing orders for hotdogs and they have booked catering events over the next two months. They buy their hotdogs in packages of ten just like you and me. Use the information above to answer this question. What is their available to promise inventory for week 4 ? 70 90 50 30