6 5 points Rio Grande Plc needs to complete its variance analysis for last month. Actual data for the month shows that 22.000 units were produced using 110,000 kgs costing 665,500 in direct materials, The standard material cost has been set at 6 per kg. Since preparation of the budget, the price per kg had increased to 6.10 due to a global increase in price for the material, The Materials Price Variance is 5,500 Adverse The Materials Price Planning variance is 11,000 Adverse Assess the relevant manager's operational performance for materials price