Martin Manufacturing has implemented several programs to improve its productivity. They have asked you to evaluate the firm's productivity by comparing this year's performance with last year's. The following data are available: Last Year 10,500 units This Year 12,100 units Output Labor Hours Utilities Capital 1,200 $7,600 $8,300 1,320 $8,250 $8,800 What is the labour productivity for this year based on unit per labour hour? 9.17 0.68 0.73 8.75 If labour cost is $10 per hour and the price of each unit is $20, calculate the multi- factor productivity for the last year. 0.24 8 7.53 0.4 What is the percentage of increase or decrease in multi-factor productivity from the last year to this year? 6.24% -6.24% -7.1% 7.1%