please explain and show steps

Mop and Broom Manufacturing has tracked the number of units sold of their most popular mop over the past twenty-four months. This is shown. Month Sales Month Sales Month Sales 1 2 3 4 5 6 7 8 247 258 251 262 275 288 395 306 9 10 11 12 13 14 319 333 340 362 358 368 377 358 17 18 19 20 21 22 23 24 369 368 370 388 385 390 412 412 15 16 a. Develop a linear trend line for the data. (Round your answer to 2 decimal places, the tolerance is +/-0.01.) Sales = + (month) b. Compute a correlation coefficient for the data and evaluate the strength of the linear relationship. (Round your answer to 2 decimal places, the tolerance is +/-0.01.) linear relationship. Correlation coefficient is It indicates (Use not rounded amounts to answer this question.) c. Using the linear trend line equation, develop a forecast for the next period,month 25. (Round your answer to 2 decimal places, the tolerance is +/-0.01. Do not round intermediate results used to achieve this answer.) Forecast for month 25 =