The manager of the Carpet City outlet needs to make an accurate forecast of the demand for Soft Shag carpet $($ its biggest seller $).$ ?If the manager does not order enough carpet from the carpet mill, customers will buy their carpet from one of Carpet City $$ s many competitors. The manager has collected the following demand data for the past $8$ ?months. Compute a $3-$ month moving average forecast for month $4$ ?through month $9.$ ?According to the result from Excel and $/$ or POM $-$ QM $,$ ?the forecast for month $4$ ?is $($ type number only, two decimals $)$