Josh Randall, a sales representative for WAI, has convinced his customer to reschedule. Order #2 has agreed to accept delivery of 25 units in week 2 as long as WAI can also guarantee delivery of an additional 25 units in week 5. If WAI cannot meet both delivery requirements, the customer has threatened to withdraw its entire order. You have already promised orders 1, 3, and 4. Can you assure Josh that WAI will deliver on time? Show your calculations.