36) A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 61 ft3. What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary. A) 5 ft x 5 ft x 2.5 ft C) 5.7 ft x 5.7 ft x 1.9 ft B) 11 ft x 11 ft x 0.5 ft D) 3.9 ft x 3.9 ft x 3.9 ft 36)