this is a 2 part question please answer BOTH A and B

The following information is available regarding the total manufacturing overhead of Olsen Company for a recent four-month period. Machine Mfg Hours Overhead April 90.000 $170.000 May 80.000 S153.000 June 110.000 $198.000 July 95.000 S181.000 Refer to the information above. Olsen's projected August operations will require approximately 120,000 machine hours. Using the high- low method, compute total manufacturing overhead estimated for August O $165,000 $187,500 $197.500 $213,000 Refer to the information above. Using the high-low method, compute the fixed element of Olsen's monthly overhead cost. $33,000 $35,000 $37,500 $40,000