product p is formed by components a and b. component a is formed by parts f and g. component b is formed by parts g and h. the inventory count is as follows. product p: 7 units. component a: 5 units. component b: 4 units. part h: 4 units. part f: 5 units. for the following bill of material, if we need to produce 29 units of finished product p, how many units of part f is required? p a(3) b(2) f(1) g(1) g(3) h(3)